[Federal Register Volume 66, Number 26 (Wednesday, February 7, 2001)]
[Proposed Rules]
[Pages 9476-9507]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 01-3127]



[[Page 9475]]

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Part III





Department of the Interior





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Fish and Wildlife Service



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50 CFR Part 17



Endangered and Threatened Wildlife and Plants; Proposed Determination 
of Critical Habitat for the Quino Checkerspot Butterfly; Proposed Rule

Federal Register / Vol. 66, No. 26 / Wednesday, February 7, 2001 / 
Proposed Rules

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DEPARTMENT OF THE INTERIOR

Fish and Wildlife Service

50 CFR Part 17

RIN 1018-AH03


Endangered and Threatened Wildlife and Plants; Proposed 
Determination of Critical Habitat for the Quino Checkerspot Butterfly

AGENCY: Fish and Wildlife Service, Interior.

ACTION: Proposed rule.

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SUMMARY: We, the U. S. Fish and Wildlife Service (Service), propose 
designation of critical habitat for the Quino checkerspot butterfly 
(Euphydras editha quino) pursuant to the Endangered Species Act of 
1973, as amended (Act). A total of approximately 121,814 hectares 
(301,010 acres) in Riverside and San Diego Counties, California, are 
proposed for designation as critical habitat for the Quino checkerspot 
butterfly.
    If this proposal is made final, section 7 of the Act requires 
Federal agencies to ensure that actions they fund, authorize, or carry 
out do not destroy or adversely modify critical habitat to the extent 
that the action appreciably diminishes the value of the critical 
habitat for the survival and recovery of the species.
    Section 4 of the Act requires us to consider economic and other 
impacts of specifying any particular area as critical habitat. We 
solicit data and comments from the public on all aspects of this 
proposal, including data on economic and other impacts of the 
designation. We may revise or further refine critical habitat 
boundaries prior to final designation based on habitat and butterfly 
surveys, public comments on the Draft Quino Checkerspot Butterfly 
Recovery Plan and this proposed critical habitat rule, input from the 
recovery team, and new scientific and commercial information.

DATES: We will accept comments until the close of business on April 9, 
2001. Requests for public hearings must be received by March 26, 2001.

ADDRESSES: Comment submission: If you wish to comment, you may submit 
your comments and materials by any one of several methods:
    You may submit written comments and information to the Field 
Supervisor, Carlsbad Fish and Wildlife Office, U. S. Fish and Wildlife 
Service, 2730 Loker Avenue West, Carlsbad, California 92008.
    You may hand-deliver written comments to our Carlsbad Fish and 
Wildlife Office at the address given above.
    You may send comments by electronic mail (e-mail) to 
fw1cfwo__qcb@fws.gov. See the Public Comments Solicited section below 
for file format and other information on electronic filing.
    You may view comments and materials received, as well as supporting 
documentation used in the preparation of this proposed rule, by 
appointment, during normal business hours at the Carlsbad Fish and 
Wildlife Office.

FOR FURTHER INFORMATION CONTACT: Ken Berg, Field Supervisor, Carlsbad 
Fish and Wildlife Office, at the above address (telephone 760/431-9440; 
facsimile 760/431-9624).

SUPPLEMENTARY INFORMATION:

Background

    The Quino checkerspot butterfly (Euphydras editha quino) is a 
member of the family Nymphalidae (brush-footed butterflies) and the 
subfamily Melitaeinae (checkerspots and fritillaries). The Quino 
checkerspot butterfly is a subspecies of Euphydryas editha; it differs 
in physical appearance from other subspecies in size, wing coloration, 
larval, and pupal characteristics (Mattoni et al. 1997).
    The Quino checkerspot butterfly has undergone several nomenclatural 
changes. Originally described as Melitaea quino (Behr 1863), Gunder 
(1929) reduced it to a subspecies of Euphydras chalcedona. At the same 
time, he described Euphydryas editha wrighti from a checkerspot 
specimen collected in San Diego County. After reexamining Behr's 
descriptions and specimens, Emmel et al. (1998) concluded that the 
Quino checkerspot butterfly should be associated with E. editha, not E. 
chalcedona. For the Quino checkerspot butterfly, E. editha quino is now 
the accepted scientific name.
    The adult Quino checkerspot butterfly has a wingspan of 
approximately 4 centimeters (1.5 inches). The top sides of the wings 
have a red, black, and cream colored checkered pattern and the bottom 
sides are dominated by a red and cream marbled pattern. The abdomen of 
Quino checkerspot butterflies has red stripes across the top. Quino 
checkerspot butterfly larvae (immature, wormlike phase) are black with 
a row of nine orange fleshy/hairy extensions on their back. Pupae 
(intermediate phase between larva and adult) are mottled black on a 
pale blue-gray background and extremely well camouflaged.
    The life cycle of the Quino checkerspot butterfly typically 
includes one generation of adults per year, with a 4- to 6-week flight 
period beginning between late February and May, depending on weather 
conditions (Emmel and Emmel 1973). If sufficient rain falls in late 
summer or early fall, a rare second generation of reduced adult numbers 
may occur (Mattoni et al. 1997). Females are usually mated on the day 
they emerge from pupae, and lay one or two egg clusters per day for 
most of their adult life. Euphydryas editha egg clusters typically 
contain 20-150 eggs (M. Singer, C. Parmesan, and G. Pratt 1999). Eggs 
deposited by adults on hostplants hatch in 10-14 days. Adult emergence 
from pupae is staggered, resulting in a 1-to 2-month flight season, 
with each adult butterfly living from 10-14 days. Peak emergence in 
most butterfly species, and probably for Quino checkerspot butterflies 
as well, occurs shortly after the beginning of the flight season, 
usually in the second week (Zonneveld 1991).
    Quino checkerspot butterfly larvae may undergo as many as seven 
molts (shedding skin) prior to pupation. During the first two instars 
(period between molts), pre-diapause (before dormancy) larvae cannot 
move more than a few centimeters and are usually restricted to the 
plant on which the eggs were laid (primary hostplant). Prior to 
diapause, larvae spin a web and feed gregariously. During the third 
instar (about 10 days after hatching), larvae are able to move among 
individual hostplants. Third instar larvae usually wander independently 
in search of food, and may switch from feeding on the plant on which 
they hatched to another plant of the same species, or another hostplant 
species (secondary hostplant). As hostplants age and become dry and 
inedible, larvae enter diapause if they have accumulated sufficient 
energy reserves. Although the location of diapausing Quino checkerspot 
butterfly larvae in the field is not known, the presence of clusters of 
postdiapause (after dormancy) larvae found near dense grass and shrub 
cover indicates they may diapause in these areas (Osborne and Redak 
2000). Additionally, Quino checkerspot butterfly larvae are capable of 
sustaining multiple-year diapause (M. Singer, pers. comm., 2000).
    Sufficient rainfall, usually during November or December, causes 
larvae to break diapause. Records of late second flight seasons 
following unusual summer rains indicate that the Quino checkerspot 
butterfly does not require winter chilling to break diapause, and may 
not diapause at all under some circumstances (Mattoni et al. 1997). 
Rain stimulates germination and growth

[[Page 9477]]

of the hostplants fed upon by postdiapause larvae, which can crawl up 
to several meters in search of food. Postdiapause larval dispersal has 
been well documented in the bay checkerspot butterfly (Euphydryas 
editha bayensis). Larvae of this subspecies have been observed to 
travel up to 3.5 meters (m) (11.5 feet (ft)) during a 4-day period 
(Weiss et al. 1987). Postdiapause larvae seek microclimates (small 
habitats with uniform climate) with high solar radiation, which helps 
speed development (White 1974; Weiss et al. 1987; Osborne and Redak 
2000). Because of variable weather during winter and early spring, the 
time between diapause termination and pupation can range from 2 weeks 
if conditions are warm and sunny, to 2 or 3 months if cold, rainy 
conditions prevail (G. Pratt, pers. comm., 2001). Postdiapause larvae 
undergo three to as many as seven instars prior to pupating in silken 
shelters near ground level. Adults emerge from pupae after 
approximately 10 days, again depending on weather (Mattoni et al. 
1997).
    Adult Quino checkerspot butterflies spend time searching for mates, 
basking in the sun to regulate body temperature, feeding on nectar, 
defending territories, and in the case of females, searching for sites 
to deposit eggs. The Quino checkerspot butterfly, like other subspecies 
of Euphydryas editha, shows a habitat preference for low-growing 
vegetation interspersed with barren spots (Osborne and Redak 2000). 
Quino checkerspot butterflies tend to avoid flying over trees, 
buildings, or other objects taller than 2-2.5 m (6-8 ft) (G. Pratt, 
pers. comm., 2001). The thermodynamic requirements of the butterfly, 
and natural avoidance of shaded areas, deters flight in densely wooded 
areas and other types of closed-canopy vegetation (C. Parmesan, pers. 
comm., 2001).
    Male Quino checkerspot butterflies, and to a lesser extent, 
females, are frequently observed on hilltops and ridgelines (Service, 
unpublished data), and a number of behaviors characteristic of species 
known to inhabit hilltops has been documented (K. Osborne and G. Pratt, 
pers comm., 2001). Largely untested explanations for this behavior 
include: 1) The active dispersal of male and female butterflies to 
local hilltops or ridgelines during years of low adult density where 
the probability of finding mates is increased (facultative hilltopping 
behavior); 2) the presence of areas of exposed soil resulting in warmer 
microclimates and superior basking sites than surrounding vegetated 
slopes and valleys; and 3) the attraction of males to the activities of 
other butterfly species on hilltops.
    Data from mark-recapture studies indicate that long-distance 
dispersal (greater than 1 kilometer (km) (0.6 miles (mi)) in Euphydryas 
editha is rare. Nonetheless, Murphy and White (1984) suggested that 
long-distance dispersal events associated with population outbreaks may 
contribute significantly to colonization or recolonization of 
unoccupied areas, and hence to long-term survival of the Quino 
checkerspot butterfly.
    Most Euphydryas editha subspecies exhibit generally sedentary 
behavior, with adults frequently remaining in the same habitat patch in 
which they developed as larvae (Ehrlich 1961, 1965; Boughton 1999, 
2000). However, female bay checkerspots, a species similar to the Quino 
checkerspot, were found to be more likely to emigrate than males 
(Ehrlich et al. 1984). Adult dispersal by the bay checkerspot, is 
typically less than 150 m (490 ft) between recaptures (Ehrlich 1961, 
1965; Gilbert and Singer 1973). Harrison (1989) recaptured bay 
checkerspots greater than 1 km (0.6 mi) from the point of release in 
only 5 percent of cases. Though a study of the Quino checkerspot at 
Otay Lakes in San Diego County included an estimate of less than 100 m 
(330 ft) dispersal distances (White and Levin 1981), this study was not 
designed to detect long-distance dispersal. Harrison (1989) recaptured 
bay checkerspots greater than 1 kilometer (0.6 mile) from the point of 
release in only 5 percent of cases. Long-distance dispersal in bay 
checkerspot butterflies has been documented as far as 7.6 km (4.7 
miles) (D. Murphy pers. comm.), 5.6 km (3.5 miles) (1 male), and 3 km 
(2 miles) (1 female) (Harrison 1989).
    Long-distance habitat patch colonization may be achieved within a 
single season through long-distance dispersal of individual 
butterflies, or over several seasons through stepping-stone habitat 
patch colonization and dispersal events. In a study of the Morgan Hill 
bay checkerspot island-mainland type metapopulation, no unoccupied 
habitat patches farther than 4.5 km (2.8 mi) from the source population 
were colonized over a 10 year period (Harrison et al. 1988). A 
metapopulation is a series of interconnected subpopulations that 
exchange individuals and/or genetic material. The interchange of 
individuals within a metapopulation can prevent an otherwise isolated 
subpopulation from going extinct and enhances genetic fitness. A model, 
which was conservative with respect to extinction, predicted habitat 
patches at a distance greater than 7 to 8 kilometers (4 to 5 miles) 
from the primary source population were not likely to support 
populations (Harrison et al. 1988).
    Most Quino checkerspot butterfly oviposition (egg laying) has been 
documented on Plantago erecta (dwarf plantain); however, egg clusters 
and prediapause larvae have been recently documented on Plantago 
patagonica (woolly plantain), which appears to be the sole primary host 
for the Silverado metapopulation in southern Riverside County (Pratt 
2000). Additionally, Cordylanthus rigidus (bird's beak) was observed on 
two occasions in 1999 with egg clusters in southern San Diego County 
(G. Pratt, pers. comm., 2001). Dwarf plantain occurs in coastal sage 
scrub, open chaparral, grassland, and similar plant communities. It is 
often associated with cryptogamic crusts, and fine-textured clay soils 
derived from gabbro and basalt.
    The selection of specific plants by Euphydryas editha on which to 
oviposit is genetically determined (Singer et al. 1991). The ability of 
Euphydryas editha larvae to grow and survive on particular host plant 
species is variable among individual larvae (Singer et al. 1988) and 
among larval populations (Singer et al. 1994; Rausher 1982). Singer et 
al. (1991) found that Quino checkerspot butterflies from the lower Otay 
Lakes area preferred to deposit eggs on dwarf plantain over Collinsia 
tinctoria (sticky chinese houses). When female Euphydryas editha 
butterflies fail to encounter preferred hostplants, the likelihood of 
emigration to other suitable habitat patches increases (Thomas and 
Singer 1987).
    The two most important factors affecting the suitability of 
hostplants for Quino checkerspot buttefly oviposition are exposure to 
solar radiation and phenology (timing of the plant's development). 
Quino checkerspot butterflies deposit eggs on plants located in full 
sun, preferably surrounded by bare ground or sparse, low vegetation 
(Weiss et al. 1987, 1988; Osborne and Redak 2000). Primary hostplants 
must remain edible for approximately 8 weeks for larval feeding (Singer 
1972; Singer and Ehrlich 1979).
    Secondary hostplants may be important before and after diapause. 
Secondary hostplants are important when the primary hosts undergo 
senescence before larvae can enter diapause. Such is the case in many 
populations of the bay checkerspot, where dwarf plantain is the primary 
host, but most larvae survive to diapause by migrating to Castilleja 
exserta (owl's clover). Prediapause

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larvae feed on owl's clover until diapause, then return to feeding on 
dwarf plantain when they break diapause in winter (Singer 1972, Ehrlich 
et al. 1975). Some metapopulations of the Quino checkerspot butterfly 
may be dependent for persistence on secondary hosts.
    Euphydryas editha butterflies use a much wider range of plants for 
adult nectar feeding than for larval foliage feeding. The butterflies 
frequently take nectar from Lomatium spp. (lomatium), Muilla spp. 
(goldenstar), Achillea millefolium (milfoil or yarrow), Amsinkia spp. 
(fiddleneck), Lasthenia spp. (goldfields), Plagyobothrys and Cryptantha 
spp. (popcorn flowers), Gilia spp, (gilia), Eriogonum fasiculatum 
(California buckwheat), Allium spp. (onion), and Eriodictyon spp. 
(yerba santa) (D. Murphy and G. Pratt, pers. comm., 2000). Quino 
checkerspots butterflies have been observed flying several hundred 
meters from the nearest larval habitat patch to nectar sources.
    Local habitats alone are generally not sufficient to ensure the 
long-term persistence of the Quino checkerspot butterfly. A local 
population may be expected to persist on the time scale of years. 
Persistence for longer terms results from the interaction of sets of 
local habitat patch populations at larger geographic scales 
(metapopulation). Although member populations may change in size 
independently, their probabilities of existing at a given time are not 
independent of one another because they are linked by processes of 
extinction and mutual recolonization, processes that can occur on the 
order of every 10 to 100 generations (Harrison et al. 1988). The 
ability and propensity of larvae to undergo multiple-year diapause in 
the field, and survival rates during repeated diapause (currently 
unknown), will also affect the persistence time of local populations.
    The timescale of extirpation and recolonization depends on the 
geographic scale of the metapopulation. Smaller metapopulations, 
composed of sets of local habitat patches described above, should be 
stable over the course of decades, with habitat patches recolonized 
within a few years of extirpation. The distance between habitat patches 
determines the colonization rate, and for small metapopulations, this 
distance is likely to be under 1 km (0.6 mi). The long-term persistence 
of species with metapopulation dynamics depends on maintenance of 
habitat patches and rare long-distance dispersal and recolonization 
events that link larger metapopulations together.
    The Quino checkerspot butterfly is threatened primarily by urban 
and agriculture development, non-native plant species invasion, off-
road vehicle use, grazing, and fire management practices (62 FR 2313). 
Quino checkerspot butterfly population decline likely has been, and 
will continue to be, caused in part by enhanced nitrogen deposition 
(Allen et al. 1998), elevated atmospheric carbon dioxide concentrations 
(Coviella et al. 1999), and climate change (Parmesan 1996; Field et al. 
1999). Nonetheless, urban development poses the greatest threat and 
exacerbates the other threats. Activities resulting in habitat 
fragmentation, or host or nectar plant removal, reduces habitat quality 
and increases the probability of Quino checkerspot butterfly 
extinction.
    Stamp (1984) and White (1986) examined the effects of parasitism 
and predation on the genus Euphydryas, although it is not clear whether 
these mortality factors pose a significant threat to the species. 
Predation by Argentine ants (Iridomyrmex humilis) has been observed in 
colonies of the butterfly in the laboratory (G. Pratt, pers. comm., 
2001), and predation by imported Brazilian fire ants (Solenopsis 
invicta) is likely if it were to co-occur with Quino checkerspot 
butterflies (Porter and Savignano 1990). Brazilian fire ants were 
discovered in 1998 in the vicinity of historic Orange County butterfly 
habitat, and have subsequently been found in San Diego, Riverside and 
Los Angeles Counties (California Department of Food and Agriculture 
2000).
    Other threats to the species identified in the final listing rule 
(62 FR 2313) includes illegal trash dumping, which is a problem for 
some populations (G. Pratt pers. comm., 2000), and over-collection by 
butterfly collectors, although the magnitude of this activity is 
unknown.

Previous Federal Action

    On September 30, 1988, we received a petition dated September 26, 
1988, from Dr. Dennis Murphy of the Stanford University Center for 
Conservation Biology, to list the Quino checkerspot butterfly as 
endangered under the Act. At the time the petition was submitted, this 
taxon had not been seen for several years. The status of the Quino 
checkerspot butterfly had been under review since 1984 (49 FR 21664) 
and was classified as a Category 1 candidate species on November 21, 
1991 (56 FR 58804), meaning that information on file was sufficient to 
support a proposal to list this subspecies as endangered or threatened.
    On August 4, 1994, a proposed rule and petition finding was 
published in the Federal Register (59 FR 39868) to list the Quino 
checkerspot butterfly as endangered. The notice included the 90-day 
petition finding that the petition presented substantial information 
that listing the Quino checkerspot butterfly may be warranted, the 12-
month petition finding that listing the Quino checkerspot butterfly was 
warranted, and the proposed listing rule for the subspecies. On 
September 26, 1994, we published a notice announcing a public hearing 
on several proposed species listings, including the Quino checkerspot 
butterfly, and to extend the comment period (59 FR 49045). We published 
a final rule listing the Quino checkerspot butterfly as endangered on 
January 16, 1997 (62 FR 2313). This rule contained a not prudent 
finding for critical habitat.
    On June 30, 1999, the Center for Biological Diversity filed a 60-
day notice of intent to sue us in District Court challenging the ``not 
prudent'' finding for critical habitat as published in the final 
listing rule for the Quino checkerspot butterfly. The plaintiff 
contended that we did not properly consider the benefits in designating 
critical habitat or adequately document known perceived threats that 
would result from a critical habitat designation. On February 16, 2000, 
we agreed to a stipulated settlement agreement that required us to re-
evaluate the existing ``not prudent'' finding. If we found that 
critical habitat is prudent, then a proposal to designate critical 
habitat was to be submitted for publication in the Federal Register by 
February 1, 2001, and a final designation by October 1, 2001. If we 
found that critical habitat is not prudent, then a final determination 
was to be submitted for publication in the Federal Register by June 1, 
2001. Publication of this proposed rule is consistent with the 
settlement agreement.

Critical Habitat

    Critical habitat is defined in section 3 of the Act as--(i) the 
specific areas within the geographic area occupied by a species, at the 
time it is listed in accordance with the Act, on which are found those 
physical or biological features (I) essential to the conservation of 
the species and (II) that may require special management considerations 
or protection; and (ii) specific areas outside the geographic area 
occupied by a species at the time it is listed, upon a determination 
that such areas are essential for the conservation of the species. 
``Conservation'' means the use of all methods and procedures that are

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necessary to bring an endangered or threatened species to the point at 
which listing under the Act is no longer necessary.
    Critical habitat receives protection under section 7 of the Act 
through prohibition against destruction or adverse modification of 
critical habitat with regard to actions carried out, funded, or 
authorized by a Federal agency. Section 7 also requires conferences on 
Federal actions that are likely to result in the destruction or adverse 
modification of proposed critical habitat. In our regulations at 50 CFR 
402.02, we define destruction or adverse modification as ``* * * the 
direct or indirect alteration that appreciably diminishes the value of 
critical habitat for both the survival and recovery of a listed 
species. Such alterations include, but are not limited to, alterations 
adversely modifying any of those physical or biological features that 
were the basis for determining the habitat to be critical.'' Aside from 
the added protection that may be provided under section 7, the Act does 
not provide other forms of protection to lands designated as critical 
habitat. Because consultation under section 7 of the Act does not apply 
to activities on private or other non-Federal lands that do not involve 
a Federal nexus, critical habitat designation would not afford any 
additional protections under the Act against such activities.
    To be included in a critical habitat designation, the habitat must 
first be ``essential to the conservation of the species.'' Critical 
habitat designations identify, to the extent known using the best 
scientific and commercial data available, habitat areas that provide 
essential life cycle needs of the species (i.e., areas on which are 
found the primary constituent elements, as defined at 50 CFR 
424.12(b)).
    Section 4 requires that we designate critical habitat at the time 
of listing and based on what we know at the time of the designation. 
When we designate critical habitat at the time of listing or under 
short court-ordered deadlines, we will often not have sufficient 
information to identify all areas of critical habitat. We are required, 
nevertheless, to make a decision and thus must base our designations on 
what, at the time of designation, we know to be critical habitat.
    Within the geographic area occupied by the species, we will 
designate only areas currently known to be essential. Essential areas 
should already have the features and habitat characteristics that are 
necessary to sustain the species. We will not speculate about what 
areas might be found to be essential if better information became 
available, or what areas may become essential over time. If the 
information available at the time of designation does not show that an 
area provides essential life cycle needs of the species, then the area 
should not be included in the critical habitat designation. Within the 
geographic area occupied by the species, we will not designate areas 
that do not now have the primary constituent elements, as defined at 50 
CFR 424.12(b), that provide essential life cycle needs of the species.
    Our regulations state that, ``The Secretary shall designate as 
critical habitat areas outside the geographic area presently occupied 
by the species only when a designation limited to its present range 
would be inadequate to ensure the conservation of the species.'' (50 
CFR 424.12(e)). Accordingly, when the best available scientific and 
commercial data do not demonstrate that the conservation needs of the 
species require designation of critical habitat outside of occupied 
areas, we will not designate critical habitat in areas outside the 
geographic area occupied by the species.
    Our Policy on Information Standards Under the Endangered Species 
Act, published in the Federal Register on July 1, 1994 (59 FR 34271), 
provides criteria, establishes procedures, and provides guidance to 
ensure that decisions made by the Service represent the best scientific 
and commercial data available. It requires Service biologists, to the 
extent consistent with the Act, and with the use of the best scientific 
and commercial data available, to use primary and original sources of 
information as the basis for recommendations to designate critical 
habitat. When determining which areas are critical habitat, a primary 
source of information should be the listing package for the species. 
Additional information may be obtained from a recovery plan, articles 
in peer-reviewed journals, conservation plans developed by States and 
counties, scientific status surveys and studies, biological 
assessments, unpublished materials, and expert opinion or personal 
knowledge.
    Habitat is often dynamic, and species may move from one area to 
another over time. Furthermore, we recognize that designation of 
critical habitat may not include all of the habitat areas that may 
eventually be determined to be necessary for the recovery of the 
species. For these reasons, all should understand that critical habitat 
designations do not signal that habitat outside the designation is 
unimportant or may not be required for recovery. Areas outside the 
critical habitat designation will continue to be subject to 
conservation actions that may be implemented under section 7(a)(1) and 
to the regulatory protections afforded by the section 7(a)(2) jeopardy 
standard and the section 9 take prohibition, as determined on the basis 
of the best available information at the time of the action. We 
specifically anticipate that federally funded or assisted projects 
affecting listed species outside their designated critical habitat 
areas may still result in jeopardy findings in some cases. Similarly, 
critical habitat designations made on the basis of the best available 
information at the time of designation will not control the direction 
and substance of future recovery plans, habitat conservation plans, or 
other species conservation planning efforts if new information 
available to these planning efforts calls for a different outcome.

Prudency Redetermination

    Section 4(a)(3) of the Act, as amended, and implementing 
regulations (50 CFR 424.12) require that, to the maximum extent prudent 
and determinable, we designate critical habitat at the time the species 
is determined to be endangered or threatened. At the time of the final 
listing determination (62 FR 2313), we found that designation of 
critical habitat was not prudent for the Quino checkerspot butterfly. 
Our regulations (50 CFR 424.12(a)(1)) state that designation of 
critical habitat is not prudent when one or both of the following 
situations exist--(1) The species is threatened by taking or other 
human activity, and identification of critical habitat can be expected 
to increase the degree of such threat to the species, or (2) such 
designation of critical habitat would not be beneficial to the species.
    In our final listing rule, we believed that publication of precise 
maps and descriptions of critical habitat for the Quino checkerspot 
butterfly could result in increased collection of specimens by 
collectors and hobbyists. Additionally, the commercial trade in rare 
butterflies could increase demand for this taxa following listing as 
endangered under the Act. Consequently, critical habitat maps could 
lead unscrupulous collectors to endangered populations. We further 
believed that the publication of maps showing critical habitat units 
would result in additional habitat destruction through trampling, 
discing, grading, and intentional acts of habitat vandalism.
    We also described the threat posed by vandalism towards the Quino

[[Page 9480]]

checkerspot butterfly and its habitat in the final listing rule. We 
cited several cases under investigation by our Law Enforcement Division 
prior to listing, and documented other instances of unauthorized Quino 
checkerspot butterfly habitat destruction since. We determined that the 
designation of critical habitat would increase the instances of habitat 
destruction and exacerbate threats to the Quino checkerspot butterfly.
    We acknowledged that critical habitat designation, in some 
situations, may provide some benefit to the species, for example, by 
identifying areas important for conservation and calling attention to 
those areas in need of special protection. But, we concluded that the 
vandalism threat posed by designating critical habitat would outweigh 
the benefit provided by such a designation.
    However, following publication of the final listing rule, we made 
available three successive survey guidelines and protocols for 
determining presence of Quino checkerspot butterflies, providing 
guidance that minimizes take of the subspecies. Within each protocol, 
we described requisite Quino checkerspot butterfly habitat and known 
locations throughout the historic range of the butterfly. In the latter 
two protocols, we published maps indicating the location of potential 
suitable Quino checkerspot butterfly habitat, and the general locations 
of recent butterfly observations. These maps were subsequently 
published in local newspapers. Additionally, in the spirit of 
partnership with local jurisdictions, planning for conservation and 
management of the Quino checkerspot butterfly, and in compliance with 
several Freedom of Information Act requests, we distributed maps and 
electronic files of historic and recent Quino checkerspot butterfly 
locations. Furthermore, in the recently published Draft Quino 
Checkerspot Butterfly Recovery Plan (Service 2001), we included maps 
showing locations of both historic and recent butterfly observations. 
The release of these data resulted in the widespread distribution of 
Quino checkerspot butterfly occurrence locations to the public.
    Since the release of these data, we have not documented an increase 
in the threats to the subspecies through vandalism, collection, habitat 
destruction, or other means. In contrast, we have witnessed an increase 
in public interest in the subspecies and its conservation through 
survey efforts by species experts, scientific research, regional and 
local planning, and educational outreach. Based on the lack of an 
increase in vandalism threats, we have reconsidered our evaluation of 
our original prudency determination. We have determined that the 
threats to the Quino checkerspot butterfly and its habitat from the 
specific instances of habitat destruction we identified in the final 
listing rule do not outweigh the broader educational, regulatory, and 
other possible benefits that a designation of critical habitat would 
provide for this subspecies. The instances of likely vandalism, though 
real, were relatively isolated. Consequently, we conclude that 
designating critical habitat will not increase incidences of habitat 
vandalism above current levels for this subspecies.
    In the absence of finding that critical habitat would increase 
threats to a species, if there are any benefits to critical habitat 
designation, then a prudent finding is warranted. The potential 
benefits include: (1) Triggering section 7 consultation in new areas 
where it would not otherwise occur because, for example, it is or has 
become unoccupied or the occupancy is in question; (2) focusing 
conservation activities on the most essential areas; (3) providing 
educational benefits to State or county governments or private 
entities; and, (4) preventing people from causing inadvertent harm to 
the species.
    Therefore, we conclude that the benefits of designating critical 
habitat on lands essential for the conservation of the Quino 
checkerspot butterfly outweigh the risks of increased vandalism 
resulting from such designation. We proposed that critical habitat is 
prudent for the Quino checkerspot butterfly.

Methods

    In determining areas that are essential to conserve the Quino 
checkerspot butterfly, we used the best scientific and commercial data 
available. We reviewed available information that pertains to the 
habitat requirements of this subspecies, including data from research 
and survey observations published in peer-reviewed articles; 
information from private and institutional collections; regional GIS 
coverages; data collected from biological reports submitted by holders 
of section 10(a)(1)(A) recovery permits; and recommendations from the 
Quino checkerspot butterfly recovery team during the development of the 
draft recovery plan for the butterfly.

Primary Constituent Elements

    In accordance with section 3(5)(A)(i) of the Act and regulations at 
50 CFR 424.12, in determining which areas to propose as critical 
habitat, we are required to base critical habitat determinations on the 
best scientific and commercial data available, and to consider those 
physical and biological features (primary constituent elements) that 
are essential to the conservation of the species, and that may require 
special management considerations and protection. These include, but 
are not limited to: space for individual and population growth, and for 
normal behavior; food, water, air, light, minerals, or other 
nutritional or physiological requirements; cover or shelter; sites for 
breeding, reproduction, rearing (or development) of offspring; and 
habitats that are protected from disturbance or are representative of 
the historic geographical and ecological distributions of a species. 
All areas proposed as critical habitat for the Quino checkerspot 
butterfly contain one or more of these physical or biological features.
    The areas designated as critical habitat are designed to provide 
sufficient habitat to maintain self-sustaining populations of Quino 
checkerspot butterflies throughout its range, and provide those habitat 
components essential for the conservation of the subspecies. Habitat 
components that are essential for the Quino checkerspot butterfly 
include the biological needs of larval diapause, feeding, and pupation, 
and adult oviposition, nectaring, roosting and basking, dispersal, 
genetic exchange, and shelter. The critical habitat units are 
configured to provide for dispersal and migration corridors, as well as 
allowing room for population expansion, which is essential for the 
conservation of the species.
    Primary constituent elements occur in undeveloped areas that 
support various types of open woody canopy plant communities. They 
include, but are not limited to, plant communities in their natural 
state, or those that have been recently disturbed (e.g., by fire or 
grubbing) that provide populations of host plant and nectar sources for 
the Quino checkerspot butterfly. Habitat patch suitability is 
determined primarily by larval host plant density, topographic 
diversity, nectar resource availability, and climatic conditions 
(Singer 1972; Murphy 1982; Weiss et al. 1988; Murphy et al. 1990; and 
Osborne and Redak 2000).
    The primary and secondary host plants that have been documented for 
the butterfly include Plantago erecta (dwarf plantain), Plantago 
patagonica (wooly plantain), Castilleja exserta (owl's clover), and 
Cordylanthus rigidus (bird's beak), with dwarf plantain being the most 
common. Dwarf plantain is an annual herb found in coastal sage scrub,

[[Page 9481]]

open chaparral, grassland and similar plant communities. It is often 
associated with cryptogamic crusts, and fine-textured clay soils 
derived from gabbro and basalt.
    Some local populations or metapopulations of the Quino checkerspot 
butterfly may be dependent on secondary hosts for persistence. 
Typically, prediapause secondary hosts are important when the primary 
hosts undergo senescence (growth phase in plant from maturity to death) 
before larvae can respond by entering diapause (Singer 1972; Ehrlich et 
al. 1975).
    Adult Quino checkerspot butterflies use a variety of plants for 
adult nectar feeding. Euphydryas editha prefers flowers with a 
platform-like surface on which they can remain upright while feeding 
(D. Murphy, G. Pratt, and M. Singer, pers. comm., 2000). The 
butterflies frequently take nectar from Lomatium spp., Muilla spp., 
Achillea millefolium (yarrow), Amsinckia spp. (fiddleneck), Lasthenia 
spp. (goldfields), Plagiobothrys spp. (popcornflower), Cryptantha spp., 
Gilia spp., Eriogonum fasiculatum (California buckwheat), Allium spp. 
(onion), and Eriodictyon spp. (yerba santa) (D. Murphy and G. Pratt, 
pers. comm., 2000).

Criteria Used To Identify Critical Habitat Units

    The draft recovery plan (Service 2001) for the Quino checkerspot 
butterfly identified the specific recovery needs of the subspecies, and 
serves as a starting point for identifying areas essential to its 
conservation. The draft recovery strategy focuses on lands described as 
essential for the long-term conservation of the Quino checkerspot 
butterfly because they: (1) Contain occupied habitat complexes (source 
populations) that must be stabilized to recover the subspecies; (2) 
contain habitats that were part of a historical population distribution 
adjacent to occupied areas and are most likely to contain the suitable 
habitat needed for (expansion and) stability of small, low-density 
habitat complexes; and (3) provide the landscape connectivity between 
habitat complexes that may belong to a single metapopulation, or at 
least are required to maintain natural long-term stability and genetic 
exchange among smaller populations or metapopulations. To recover the 
Quino checkerspot butterfly to the point where it can be downlisted, it 
is essential to preserve the subspecies' genetic diversity as well as 
the habitat in which it persists.
    Areas supporting core populations or that have the potential to 
support larger populations are essential because they represent the 
foundation for continued persistence of the species. Furthermore, some 
habitat areas that would not be considered essential if geographically 
isolated are, in fact, essential when situated in locations where they 
facilitate continued connectivity between surrounding populations or 
play a significant role in maintaining metapopulation viability (e.g., 
by providing additional areas of occupancy that provide resilience to 
periodic extirpations of adjacent habitat patches). Populations on the 
periphery of the species range, or in atypical environments, are 
important for maintaining the genetic diversity of the species which 
could be essential to evolutionary adaptation to changing climatic and 
environmental conditions.
    To identify and map areas essential to the conservation of the 
subspecies, we used the characteristics of essential habitat described 
above, data on known Quino checkerspot butterfly locations, criteria in 
the draft recovery plan for reclassification of the subspecies, aerial 
photography at a scale of 1:24,000 (comparable to the scale of a 7.5 
minute U.S. Geological Survey Quadrangle topographic map), current 
aerial photography prints, boundaries of approved habitat conservation 
plans (HCPs), and projects authorized for take through section 7 
consultations. For the purpose of this proposed determination, critical 
habitat units have been described using Universal Transverse Mercator 
(UTM) North American Datum of 1927 (NAD 27) coordinates derived from a 
100-m grid that approximated the boundaries delineated from the digital 
aerial photography with the exception of Unit 3 (Otay Unit). The Otay 
unit was described using a combination of UTM coordinates and by 
referencing boundaries for the Multiple Habitat Preservation Area, the 
Major Amendment Area, and the City of Chula Vista Preserve Design of 
the San Diego County Multiple Species Conservation Program, State and 
Federal lands, and State Route 94.
    To identify critical habitat units, we first examined those lands 
under Federal jurisdiction. Those lands include areas managed by the 
Bureau of Land Management (BLM), U.S. Forest Service (Forest Service), 
Department of Defense (DOD) lands, and the Service. We also considered 
the existing status of non-Federal and private lands in designating 
areas as critical habitat. Section 10(a)(1)(B) of the Act authorizes us 
to issue permits for the take of listed species incidental to otherwise 
lawful activities. An incidental take permit application must be 
supported by an HCP that identifies conservation measures that the 
permittee agrees to implement for the species to minimize and mitigate 
the impacts of the requested incidental take. Non-Federal public lands 
and private lands that are covered by an existing operative HCP and 
executed implementation agreement (IA) for Quino checkerspot butterfly 
under section 10(a)(1)(B) of the Act are not designated as critical 
habitat because the benefits of exclusion outweigh the benefits of 
inclusion as discussed in section 4(b)(2) of the Act.
    We are also including a portion of the Cahuilla Band of Mission 
Indian Reservation because it contains areas of high-quality habitat 
within a unit that is essential to the conservation of the Quino 
checkerspot butterfly. We initiated coordination with this Tribe on 
this designation under the guidance of the President's memorandum of 
April 29, 1994, ``Government-to-Government Relations with Native 
American Tribal Governments'' (59 FR 22951), Executive Order 13175, and 
512 DM 2, which requires us to coordinate with federally recognized 
Tribes on a Government-to-Government basis.
    In defining critical habitat boundaries, we made an effort to 
exclude all developed areas, such as towns, housing developments, and 
other lands unlikely to contain primary constituent elements essential 
for Quino checkerspot butterfly conservation. Our 100-m UTM grid 
minimum mapping unit was designed to minimize the amount of development 
along the urban edge included in our designation. However, this minimum 
mapping unit does not exclude all developed areas, such as buildings, 
aqueducts, railroads, airports, and other lands unlikely to contain the 
primary constituent elements. Federal actions limited to these areas 
would not trigger a section 7 consultation, unless they affect the 
species and/or the primary constituent elements in adjacent critical 
habitat.

Critical Habitat Proposal

    The approximate area encompassing the proposed designation of 
critical habitat by county and land ownership is shown in Table 1.

[[Page 9482]]



Table 1.--Approximate Proposed Critical Habitat in Hectares (ha) (Acres (ac)) by County and Land Ownership (area estimates reflect critical habitat unit
                                              boundaries, not the primary constituent elements within.\1\)
--------------------------------------------------------------------------------------------------------------------------------------------------------
             County                    Federal \2\                Tribal                Local/State               Private                  Total
--------------------------------------------------------------------------------------------------------------------------------------------------------
Riverside......................  9,292 ha                 4,407 ha                2,877 ha                62,111 ha               78,687 ha
                                 (22,960 ac)              (10,890 ac)             (7,110 ac)              (153,480 ac)            (194,440 ac)
San Diego......................  15,188 ha                0 ha                    3,784 ha                24,155 ha               43,127 ha
                                 (37,530 ac)              (0 ac)                  (9,350 ac)              (59,690 ac)             (106,570 ac)
                                ------------------------------------------------------------------------------------------------------------------------
    Total......................  24,480 ha                4,407 ha                6,661 ha                86,266 ha               121,814 ha
                                 (60,490 ac)              (10,890 ac)             (16,460 ac)             (213,170 ac)            (301,010 ac)
--------------------------------------------------------------------------------------------------------------------------------------------------------
\1\ Approximate hectares have been converted to acres (1 ha = 2.47 ac). Based on the level of imprecision of mapping at this scale, approximate hectares
  have been rounded to the nearest 5, and acres to the nearest 10, if greater than or equal to 100 ( 100); both hectares and acres are
  rounded to the nearest 5 if less than 100 (  100).
\2\ Federal lands include BLM, Department of Defense, National Forest, and Service lands.

    Critical habitat includes Quino checkerspot butterfly habitat 
throughout the subspecies' current range in the United States (i.e., 
Riverside and San Diego Counties, California). Lands proposed are under 
private, local, State, Federal, and Tribal ownership, with Federal 
lands including lands owned or managed by BLM, Forest Service, DOD, and 
Service lands. Lands proposed as critical habitat have been divided 
into four critical habitat units.
    We are proposing to designate critical habitat on lands that are 
considered essential to the conservation of the Quino checkerspot 
butterfly. Using the draft recovery plan for guidance (Service 2001), 
we determined an area was essential if it had one or more of the 
following characteristics: (1) Lands considered to be occupied within 
recovery unit boundaries and within a 4.8 km (3 mile) dispersal 
distance of confirmed recent (since 1985) Quino checkerspot butterfly 
locations that are part of identified habitat complexes; (2) lands not 
known to be occupied but provide landscape connectivity between 
adjacent occupied habitat complexes; and (3) lands not known to be 
occupied that contain confirmed historic Quino checkerspot locations 
and are part of identified habitat complexes, and are contiguous with 
occupied lands. The areas designated as critical habitat are designed 
to provide sufficient habitat to maintain self-sustaining populations 
of Quino checkerspot butterflies throughout its range, and provide 
those habitat components essential for the conservation of the 
subspecies. The critical habitat units are configured to provide for 
dispersal and migration corridors, as well as allowing room for 
population expansion, which, as stated in the draft recovery plan 
(Service 2001), is essential for the conservation of the species.
    A brief description of each unit, and reasons for proposing to 
designate it as critical habitat are presented below.
Unit 1: Lake Mathews Unit
    Unit 1 encompasses approximately 12,982 ha (32,080 ac) within the 
northwestern portion of Riverside County. Approximately 550 ha (1,360 
ac) of this unit occurs on BLM land, and the rest 12,432 ha (30,720 ac) 
occurs on State/local lands or private lands.
    Lands considered to be occupied encompass 4,905 ha (12,120 ac) in 
the Gavilan Hills southeast of Lake Mathews, and 8,077 ha (19,960 ac) 
adjacent to and south of the lake that are not known to be occupied but 
determined to be essential in the draft recovery plan. The unit 
supports one habitat complex identified by the draft Quino Checkerspot 
Butterfly Recovery Plan. The Gavilan Hills habitat complex occurs 
within the Northwest Riverside Recovery Unit described in the draft 
recovery plan. Quino checkerspot butterflies were observed in Harford 
Springs County Park in 1998, a site that was once part of a more 
extensive, well documented distribution. Quino checkerspot butterflies 
were last observed at the southern margin of Lake Mathews in 1986. The 
Quino checkerspot butterfly was historically abundant in this area, 
with consistently high densities reported by collectors from the 1950s 
to the mid 1980s (Orsak 1978; K. Osborne and G. Pratt, pers. comm. 
2000). This unit, therefore, includes the vicinity of Harford Springs 
County Park.
    The unit also includes habitat areas south of Lake Mathews not 
currently known to be occupied that are part of the Gavilan Hills 
habitat complex, but is considered essential to the species because it 
is a documented historical population location, and contains large, 
dense, contiguous stands of dwarf plantain and is needed for the 
recovery of the species (K. Osborne pers. comm. 2000). This area should 
have the population restored, if in fact, it does not exist there, in 
order to support a larger and stable population distribution within the 
habitat complex.
    The Lake Mathews/Gavilan Hills area is characterized by diverse 
topography and high-quality habitat patches with extensive stands of 
dense dwarf plantain spp. in open spaces within juniper woodland, 
coastal sage scrub, and grassland. Landscape connectivity is broken 
primarily by Cajalco Road. Landscape connectivity still exists between 
Harford Springs County Park and Lake Mathews, and apparently suitable 
habitat containing dense stands of dwarf plantain exists south of Lake 
Mathews in the vicinity of Black Rocks, west of Monument Peak (K. 
Osborne pers. comm., 2000). Stands of dwarf plantain also occur in the 
vicinities of Estelle Mountain, Railroad Canyon Reservoir, and the town 
of Sun City (G. Pratt, pers. comm., 2000).
Unit 2: Southwest Riverside Unit
    Unit 2 encompasses approximately 70,237 ha (173,560 ac) within 
southwestern Riverside County and Northwestern San Diego County. Lands 
considered to be occupied encompass 65,907 ha (162,860 ac) stretching 
east from the cities of Temecula and Murrieta to almost the desert's 
edge, north to near the town of Hemet, and south into Oak Grove Valley 
in San Diego County. Lands not known to be occupied but determined to 
be essential in the draft recovery plan encompass 4,330 ha (10,700 ac) 
south of Brown Canyon and northeast of Oak Grove Valley. The unit 
supports seven habitat complexes identified as essential in the draft 
recovery plan. The Warm Springs Creek and Skinner/Johnson habitat 
complexes occur within the Southwest Riverside Recovery Unit described 
by the draft recovery plan. Recent Quino checkerspot observations are 
distributed in the vicinity of Warm Springs Creek

[[Page 9483]]

north of Murrieta Hot Springs Road to at least Scott Road, although 
much of the habitat at the southern end of the Hogbacks, where 
butterflies were recently observed, was disturbed in 1998. Recent 
observations are also distributed throughout the Southwest Riverside 
County Multiple Species Reserve, and are concentrated around Lake 
Skinner, and south of Benton and Borel Roads (Johnson Ranch). Landscape 
connectivity between the Warm Springs Creek and Skinner/Johnson habitat 
complexes has been severed by State Route 79 and associated 
development. Landscape connectivity between Warm Springs Creek and 
Skinner/Johnson habitat complexes is constrained by State Route 79 and 
associated development.
    The Oak Mountain/Vail Lake, Sage Road/Billy Goat Mountain, and 
Brown Canyon habitat complexes occur within the South Riverside 
Recovery Unit described by the draft recovery plan. Recent Quino 
checkerspot butterfly observations are concentrated in the vicinities 
of Oak Mountain, Vail Lake, Pauba Valley, and in the vicinity of Sage 
Road from Magee Hills and the town of Sage south and east to Wilson 
Valley and Billy Goat Mountain. One possibly isolated population occurs 
just southeast of Hemet in Brown Canyon. Landscape connectivity in the 
habitat complex areas is generally good, and habitat is largely 
unfragmented. Landscape connectivity most likely exists between the Oak 
Mountain/Vail Lake and Sage Road/Billy Goat Mountain habitat complexes. 
Lands not known to be occupied between the Brown Canyon and Sage Road/
Billygoat Mountain habitat complexes are considered essential because 
they provide landscape connectivity between them that allows for a 
sufficient rate of genetic exchange and recolonization events, and 
therefore, the long-term stability of both.
    The Silverado and Dameron Valley/Oak Grove habitat complexes occur 
within the South Riverside/North San Diego Recovery unit described by 
the draft recovery plan. Recent Quino checkerspot butterfly 
observations are distributed across BLM lands and the Silverado Ranch 
Mitigation Bank south of the Cahuilla Indian Reservation. Increased 
survey efforts in 2000 expanded the Silverado habitat complex 
distribution, though much of the area remains to be surveyed. Two 
recent butterfly observation sites are found distant from the Silverado 
mitigation bank, one in northern Dameron Valley south of State Route 
79, and one just south of that in Oak Grove Valley. Lands not known to 
be occupied between the Silverado and Dameron Valley/Oak Grove habitat 
complexes are considered essential because they provide landscape 
connectivity between them that allows for a sufficient rate of genetic 
exchange and recolonization events, and therefore, the long-term 
stability of both.
    Habitat patches appear to be well connected in the Silverado Ranch 
area, and are largely unfragmented. The known distribution of this 
metapopulation is relatively well protected since the habitat areas are 
primarily owned by the BLM and Silverado Ranch Mitigation Bank (Pratt 
2000). A management plan is being developed for this mitigation bank, 
but it is not complete. Oak Grove Valley is highly invaded by non-
native grasses at lower elevations, but much habitat appears to remain 
on the hills. Habitat in areas surrounding Oak Grove Valley remain 
relatively undeveloped, including Chihuahua Valley to the east.
    This unit includes 4,407 ha (10,890 ac) of Tribal lands of the 
Cahuilla Band of Mission Indians, just north of the Silverado Ranch 
mitigation bank, and approximately 19,433 ha (48,020 ac) of Forest 
Service and BLM lands.
Unit 3: Otay Unit
    Unit 3 encompasses approximately 29,328 ha (72,470 ac) within the 
southern portion of San Diego County. Approximately 10,582 ha (26,150 
ac) occur on Federal land, including 182 ha (450 ac) on lands owned by 
the DOD, which consists of the Naval Space Surveillance Station.
    Lands considered to be occupied encompass 26,973 ha (66,660 ac) 
stretching south from the San Diego National Wildlife Refuge (SDNWR) 
complex and State Route 94 to the international border with Mexico, 
west along Otay River Valley and the northern rim of Otay Mesa, and 
east to the town of Tecate. Lands not known to be occupied but 
determined to be essential in the draft recovery plan encompass 2,351 
ha (5,810 ac) south of Sweetwater Reservoir, and adjacent to State 
Route 94 east of San Miguel Mountain, Proctor Valley, and Otay Lake. It 
supports six habitat complexes identified as essential by the draft 
recovery plan. The SDNWR, Otay Lake, Otay Mesa, and Otay Mountain 
Foothills habitat complexes occur west of Otay Mountain within the 
Southwest San Diego Recovery Unit described by the draft recovery plan. 
Recent Quino checkerspot butterfly observations in the area are 
concentrated north and southeast of Otay Lake, with a smaller cluster 
concentrated along the southwestern slope of Otay Mountain.
    Other recent butterfly observations are located on the SDNWR, 
northeast of Sweetwater Reservoir, and along the mesa rim above the 
Otay River and at the Salt Creek confluence. The Otay Lakes area 
historically supported a large population that extended south to Otay 
Mesa and across the international border (Murphy and White 1984). The 
historic population distribution extended across the entire mesa, and 
there are current Quino checkerspot butterfly habitat restoration 
activities being undertaken adjacent to a recent butterfly observation 
on the mesa rim just west of Johnson Canyon (Service 1999). The draft 
recovery plan calls for this habitat restoration and re-establishment 
of this population of Quino checkerspot butterfly (Service 2001). 
Restoration of vernal pool habitat that includes essential elements of 
Quino checkerspot butterfly habitat is also ongoing at the site of a 
collection record on the mesa top adjacent to Dennery and Spring 
canyons (Service 1997). The Otay Mesa habitat complex distribution 
includes Otay Valley from the Salt Creek confluence to Dennary Canyon, 
and the adjacent undeveloped mesa tops, canyons and ridges south of 
Otay Valley (in the vicinity of Brown Field). Lands not known to be 
occupied between the SDNWR and Otay Lakes are considered essential 
because they provide landscape connectivity between them that allows 
for a low rate of genetic exchange and recolonization events, and 
therefore, the long-term stability of both.
    Landscape connectivity along the western margin of Otay Lake is 
constrained by the Olympic Training Center and other development, 
although some habitat remains along the Salt Creek drainage. Landscape 
connectivity on the eastern margin of Otay Lake is constrained by 
stands of woodland vegetation dominated by non-native species. Historic 
records indicate that habitat (now in the SDNWR) near Sweetwater River 
was, and still is, connected to Proctor Valley, San Miguel Mountain, 
and thus to currently occupied habitat around Otay Lake. Landscape 
connectivity on the mesas northeast of Brown Field and southwest of 
lower Otay Lake is reduced, although no significant dispersal barriers 
exist.
    The Marron Valley and Tecate habitat complexes occur east of Otay 
Mountain within the Southwest San Diego recovery unit described by the 
draft recovery plan. Recent Quino checkerspot butterfly observations 
are concentrated on the eastern slope of Otay Mountain and ridgelines 
along the international border in the vicinity of Marron Valley. 
Occupancy likely

[[Page 9484]]

extends south across the international border, and it is possible that 
the majority of the habitat complex is in Baja California, Mexico. 
Another recent record is located east of Marron Valley near the town of 
Tecate. Lands not known to be occupied between the Otay Lakes and 
Marron Valley habitat complexes are considered essential because they 
provide landscape connectivity between them that allows for a low rate 
of genetic exchange and recolonization events, and therefore, the long-
term stability of both. Habitat patches within this complex remain 
relatively well connected. In addition, some degree of landscape 
connectivity may exist north and south of Otay Mountain between the 
Otay Mesa and Marron Valley habitat complexes. Most occupied habitat in 
this area occurs on publicly owned land.
Unit 4: Jacumba Unit
    Unit 4 encompasses approximately 9,267 ha (22,900 ac) in 
southeastern San Diego County. Approximately 2,966 ha (7,330 ac) occurs 
on BLM land.
    Lands considered to be occupied encompass 5,610 ha (13,860 ac) 
north and south of Interstate 8 in the vicinity of the town of Jacumba. 
Lands not known to be occupied but determined to be essential in the 
draft recovery plan encompass 3,658 ha (9,040 ac) north and south of 
Interstate 8 in the vicinity of Table Mountain.
    The unit supports one habitat complex identified as essential by 
the draft recovery plan. The Jacumba habitat complex occurs within the 
Southeast San Diego Recovery Unit described by the draft recovery plan. 
Recent Quino checkerspot butterfly observations are concentrated 
northwest of the community of Jacumba on State Park and private lands. 
Occupancy likely extends south across the international border, and it 
is possible that the majority of the habitat complex is in Baja 
California, Mexico. Occupancy has been documented approximately 6 km (4 
mi) to the south in El Condor (Baja California, Mexico), and the U.S. 
habitat complex may belong to the same population distribution. A 
historic butterfly record occurs north of Interstate 8 in the Table 
Mountain area. The Table Mountain site and apparently suitable 
surrounding habitat areas (G. Pratt, pers. comm., 2000) are within the 
BLM Jacumba National Cooperative Land and Wildlife Management Area. 
Current habitat and landscape connectivity in the Jacumba area are 
relatively intact. No habitat fragmentation or severing of landscape 
connectivity has occurred or is likely to occur in the Table Mountain 
area. Landscape connectivity between Table Mountain and Jacumba Peak is 
constrained by Interstate 8.

Effects of Critical Habitat Designation

Section 7 Consultation

    Section 7(a)(2) of the Act requires Federal agencies, including the 
Service, to ensure that actions they fund, authorize, or carry out do 
not destroy or adversely modify critical habitat to the extent that the 
action appreciably diminishes the value of the critical habitat for the 
survival and recovery of the species. Individuals, organizations, 
states, local governments, and other non-Federal entities are affected 
by the designation of critical habitat only if their actions occur on 
Federal lands, require a Federal permit, license, or other 
authorization, or involve Federal funding.
    Section 7(a) of the Act requires Federal agencies, including the 
Service, to evaluate their actions with respect to any species that is 
proposed or listed as endangered or threatened and with respect to its 
critical habitat, if any is proposed or designated. Regulations 
implementing this interagency cooperation provision of the Act are 
codified at 50 CFR part 402. Section 7(a)(4) of the Act requires 
Federal agencies to confer with us on any action that is likely to 
jeopardize the continued existence of a proposed species or result in 
destruction or adverse modification of proposed critical habitat. 
Conference reports provide conservation recommendations to assist the 
agency in eliminating conflicts that may be caused by the proposed 
action. The conservation recommendations in a conference report are 
advisory. If a species is listed or critical habitat is designated, 
section 7(a)(2) requires Federal agencies to ensure that actions they 
authorize, fund, or carry out are not likely to jeopardize the 
continued existence of such a species or to destroy or adversely modify 
its critical habitat. If a Federal action may affect a listed species 
or its critical habitat, the responsible Federal agency (action agency) 
must enter into consultation with us. Through this consultation we 
would ensure that the permitted actions do not destroy or adversely 
modify critical habitat.
    When we issue a biological opinion concluding that a project is 
likely to result in the destruction or adverse modification of critical 
habitat, we also provide reasonable and prudent alternatives to the 
project, if any are identifiable. Reasonable and prudent alternatives 
are defined at 50 CFR 402.02 as alternative actions identified during 
consultation that can be implemented in a manner consistent with the 
intended purpose of the action, that are consistent with the scope of 
the Federal agency's legal authority and jurisdiction, that are 
economically and technologically feasible, and that the Director 
believes would avoid destruction or adverse modification of critical 
habitat. Reasonable and prudent alternatives can vary from slight 
project modifications to extensive redesign or relocation of the 
project. Costs associated with implementing a reasonable and prudent 
alternative are similarly variable.
    Regulations at 50 CFR 402.16 require Federal agencies to reinitiate 
consultation on previously reviewed actions in instances where critical 
habitat is subsequently designated and the Federal agency has retained 
discretionary involvement or control over the action or such 
discretionary involvement or control is authorized by law. 
Consequently, some Federal agencies may request reinitiation of 
consultation or conference with us on actions for which formal 
consultation has been completed, if those actions may affect designated 
critical habitat, or adversely modify or destroy proposed critical 
habitat. Conference reports assist the agency in eliminating conflicts 
that may be caused by the proposed action, and may include 
recommendations on actions to eliminate conflicts with or adverse 
modifications to proposed critical habitat. The conservation 
recommendations in a conference report are advisory.
    Activities on Federal lands that may affect the Quino checkerspot 
butterfly or its critical habitat will require section 7 consultation. 
Activities on private or State lands requiring a permit from a Federal 
agency, such as a permit from the U.S. Army Corps of Engineers (Corps) 
under section 404 of the Clean Water Act, or some other Federal action, 
including funding (e.g., from the Federal Highway Administration, 
Federal Aviation Administration, or Federal Emergency Management 
Agency) will also continue to be subject to the section 7 consultation 
process. Federal actions not affecting listed species or critical 
habitat and actions on non-Federal lands that are not federally funded 
or permitted do not require section 7 consultation.
    We may issue a formal conference report if requested by a Federal 
agency. Formal conference reports on proposed critical habitat contain 
an opinion that is prepared according to 50 CFR 402.14, as if critical 
habitat were designated. We may adopt the formal conference report as 
the biological opinion when the

[[Page 9485]]

critical habitat is designated, if no substantial new information or 
changes in the action alter the content of the opinion (see 50 CFR 
402.10(d)).
    Activities on Federal lands that may affect the Quino checkerspot 
butterfly or its critical habitat will require section 7 consultation. 
Activities on private or State lands requiring a permit from a Federal 
agency, such as a permit from the Corps under section 404 of the Clean 
Water Act, a section 10(a)(1)(B) permit from the Service, or some other 
Federal action, including funding (e.g., Federal Highway Administration 
or Federal Emergency Management Agency funding), will also continue to 
be subject to the section 7 consultation process. Federal actions not 
affecting listed species or critical habitat and actions on non-Federal 
and private lands that are not federally funded, authorized, or 
permitted do not require section 7 consultation.
    Section 4(b)(8) of the Act requires us to briefly evaluate and 
describe in any proposed or final regulation that designates critical 
habitat those activities involving a Federal action that may destroy or 
adversely modify such habitat or that may be affected by such 
designation. Activities that may destroy or adversely modify critical 
habitat include those that appreciably reduce the value of critical 
habitat for both the survival and recovery of the Quino checkerspot 
butterfly. Within critical habitat, this pertains only to those areas 
containing primary constituent elements. We note that such activities 
may also jeopardize the continued existence of the subspecies.
    To properly portray the effects of critical habitat designation, we 
must first compare the section 7 requirements for actions that may 
affect critical habitat with the requirements for actions that may 
affect a listed species. Section 7 prohibits actions funded, 
authorized, or carried out by Federal agencies from jeopardizing the 
continued existence of a listed species or destroying or adversely 
modifying the listed species' critical habitat. Actions likely to 
``jeopardize the continued existence'' of a species are those that 
would appreciably reduce the likelihood of the species' survival and 
recovery. Actions likely to ``destroy or adversely modify'' critical 
habitat are those that would appreciably reduce the value of critical 
habitat for the survival and recovery of the listed species.
    Common to both definitions is an appreciable detrimental effect on 
both survival and recovery of a listed species. Given the similarity of 
these definitions, actions likely to destroy or adversely modify 
critical habitat would almost always result in jeopardy to the species 
concerned, particularly when the area of the proposed action is 
occupied by the species concerned. Designation of critical habitat in 
areas occupied by the Quino checkerspot butterfly is not likely to 
result in a regulatory burden above that already in place due to the 
presence of the listed species. Designation of critical habitat in 
areas not occupied by the subspecies may have some effect if we do not 
consult in these areas now, and we will investigate this possibility 
through our economic analysis.
    Federal agencies already consult with us on activities in areas 
currently occupied by the species to ensure that their actions do not 
jeopardize the continued existence of the species. These actions 
include, but are not limited to:
    (1) Regulation of activities affecting waters of the United States 
by the Corps under section 404 of the Clean Water Act;
    (2) Regulation of grazing, mining, and recreation by the BLM, 
Forest Service or Service;
    (3) Road construction and maintenance, right-of-way designation, 
and regulation of agricultural activities;
    (4) Regulation of airport improvement activities by the Federal 
Aviation Administration jurisdiction;
    (5) Construction of roads and fences along the International Border 
with Mexico, and associated immigration enforcement activities by the 
Immigration and Naturalization Service;
    (6) Hazard mitigation and post-disaster repairs funded by the 
Federal Emergency Management Agency;
    (7) Construction of communication sites licensed by the Federal 
Communications Commission; and
    (8) Activities funded by the U. S. Environmental Protection Agency, 
Department of Energy, or any other Federal agency.
    Federal agencies already consult with us on activities in areas 
currently occupied by the species, or if the species may be affected by 
the action, to ensure that their actions do not jeopardize the 
continued existence of the species. Within much of the lands not known 
to be occupied by the Quino checkerspot butterfly, we already consult 
on other listed species and designated critical habitat, including the 
California coastal gnatcatcher (Polioptila californica californica) and 
its critical habitat, Stephen's kangaroo rat (Dipodomys stephensi) and 
Munz' onion (Allium munzii) (Riverside County only), least Bell's vireo 
(Vireo bellii pusillus), southwestern willow flycatcher (Empidonax 
traillii extimus), and southwestern arroyo toad (Bufo californicus). 
Thus, we do not anticipate additional regulatory burden will result 
from critical habitat designation, but we will examine this in our 
economic analysis.

Exclusions Under Section 4(b)(2)

    Subsection 4(b)(2) of the Act allows us to exclude areas from 
critical habitat designation where the benefits of exclusion outweigh 
the benefits of designation, provided the exclusion will not result in 
the extinction of the species. For the following reasons, we believe 
that in most instances the benefits of excluding legally operative HCPs 
for which the Quino checkerspot is a covered species and take has been 
authorized, from critical habitat designations will outweigh the 
benefits of including them.
(1) Benefits of Inclusion
    The benefits of including HCP lands in critical habitat are 
normally small. The principal benefit of any designated critical 
habitat is that activities in such habitat that may affect it require 
consultation under section 7 of the Act. Such consultation would ensure 
that adequate protection is provided to avoid adverse modification of 
critical habitat. Where HCPs are in place, our experience indicates 
that this benefit is small or non-existent. Currently approved and 
permitted HCPs are already designed to ensure the long-term survival of 
covered species within the plan area. Where we have an approved HCP, 
lands that we ordinarily would define as critical habitat for the 
covered species will normally be protected in reserves and other 
conservation lands by the terms of the HCPs and their implementation 
agreements. These HCPs and IAs include management measures and 
protections for conservation lands that are crafted to protect, 
restore, and enhance their value as habitat for covered species.
    In addition, an HCP application must itself be consulted upon. 
While this consultation will not look specifically at the issue of 
adverse modification of critical habitat, it will look at the very 
similar concept of jeopardy to the listed species in the plan area. 
Because HCPs, particularly large regional HCPs, address land use within 
the plan boundaries, habitat issues within the plan boundaries will 
have been thoroughly addressed in the HCP and through the consultation 
on the HCP. Our experience is also that, under most circumstances, 
consultations under the jeopardy standard will reach the same result as 
consultations under the adverse modification standard.

[[Page 9486]]

Implementing regulations (50 CFR Part 402) define ``jeopardize the 
continued existence of'' and ``destruction or adverse modification of'' 
in virtually identical terms. ``Jeopardize the continued existence of'' 
means to engage in an action ``that reasonably would be expected to 
reduce appreciably the likelihood of both the survival and recovery of 
a listed species.'' Destruction or adverse modification means an 
alteration that appreciably diminishes the value of critical habitat 
for both the survival and recovery of a listed species.'' Common to 
both definitions is an appreciable detrimental effect on both survival 
and recovery of a listed species, in the case of critical habitat by 
reducing the value of the habitat so designated. Thus, actions 
satisfying the standard for adverse modification are nearly always 
found to also jeopardize the species concerned, and the existence of a 
critical habitat designation does not materially affect the outcome of 
consultation. Additional measures to protect the habitat from adverse 
modification are not likely to be required.
    Further, HCPs typically provide for greater conservation benefits 
to a covered species than section 7 consultations because HCPs assure 
the long term protection and management of a covered species and its 
habitat, and funding for such management through the standards found in 
the 5-Point Policy for HCPs (64 FR 35242) and the HCP No Surprises 
regulation (63 FR 8859). Such assurances are typically not provided by 
section 7 consultations which, in contrast to HCPs, often do not commit 
the project proponent to long term special management or protections. 
Thus, a consultation typically does not accord the lands it covers the 
extensive benefits an HCP provides.
    The development and implementation of HCPs provide other important 
conservation benefits, including the development of biological 
information to guide conservation efforts and assist in species 
recovery, and the creation of innovative solutions to conserve species 
while allowing for development. The educational benefits of critical 
habitat, including informing the public of areas that are important for 
the long-term survival and conservation of the species, are essentially 
the same as those that would occur from the public notice and comment 
procedures required to establish an HCP, as well as the public 
participation that occurs in the development of many regional HCPs. For 
these reasons, then, we believe that designation of critical habitat 
has little benefit in areas covered by HCPs.
(2) Benefits of Exclusion
    The benefits of excluding HCPs from being designated as critical 
habitat may be more significant. It includes relieving landowners, 
communities and counties of any additional minor regulatory review that 
might be imposed by critical habitat. Many HCPs, particularly large 
regional HCPs, take many years to develop and, upon completion, become 
regional conservation plans that are consistent with the recovery of 
covered species. Most regional plans benefit many species, both listed 
and unlisted. Imposing an additional regulatory review after HCP 
completion may jeopardize conservation efforts and partnerships in many 
areas and could be viewed as a disincentive to those developing HCPs. 
Excluding HCPs provides us with an opportunity to streamline regulatory 
compliance and confirms regulatory assurances for HCP participants.
    A related benefit of excluding HCPs is that it would encourage the 
continued development of partnerships with HCP participants, including 
States, local governments, conservation organizations, and private 
landowners, that together can implement conservation actions we would 
be unable to accomplish alone. By excluding areas covered by HCPs from 
critical habitat designation, we preserve these partnerships and, we 
believe, set the stage for more effective conservation actions in the 
future.
    In general, then, we believe the benefits of critical habitat 
designation to be small in areas covered by approved HCPs. We also 
believe that the benefits of excluding HCPs from designation are 
significant. Weighing the small benefits of inclusion against the 
benefits of exclusion, including the benefits of relieving property 
owners of an additional layer of approvals and regulation, together 
with the encouragement of conservation partnerships, would generally 
result in HCPs being excluded from critical habitat designation under 
section 4(b)(2) of the Act.
    Not all HCPs are alike with regard to species coverage and design. 
Within this general analytical framework, we need to evaluate completed 
and legally operative HCPs in which the Quino checkerspot butterfly is 
a covered species on a case-by-case basis to determine whether the 
benefits of excluding these particular areas outweigh the benefits of 
including them.

Relationship To Habitat Conservation Plans

    Section 4(b)(2) of the Act allows us broad discretion to exclude 
from critical habitat designation areas where the benefits of exclusion 
outweigh the benefits of designation, provided the exclusion will not 
result in the extinction of the species. We expect that critical 
habitat may be used as a tool to identify those areas essential for the 
conservation of the species, and we will encourage development of HCPs 
for such areas on non-Federal lands. Habitat conservation plans 
currently under development are intended to provide for protection and 
management of habitat areas essential for the conservation of the Quino 
checkerspot butterfly, while directing development and habitat 
modification to nonessential areas of lower habitat value.
    Only HCPs within the boundaries of the proposed critical habitat 
units are discussed herein. Those approved and legally operative HCPs 
that provide coverage and incidental take approval for the Quino 
checkerspot butterfly have been excluded from this proposed 
designation. These include several habitat conservation planning 
efforts that have been completed within the proposed critical habitat. 
These include the Assessment District 161 Subregional HCP and the 
Rancho Bella Vista HCP in Riverside County that provide coverage and 
incidental take authorization for the Quino checkerspot butterfly.
    The Riverside County Assessment District 161 Subregional HCP, which 
authorizes the take of the Quino checkerspot butterfly, has been 
completed and approved. This HCP includes habitat protection, habitat 
restoration research, educational outreach, and captive propagation. 
The Rancho Bella Vista HCP also occurs within the Riverside County 
Assessment District 161, but an independent HCP was approved for this 
project. Although it is not currently known to occur within the project 
boundaries, the Quino checkerspot butterfly is known from adjacent 
occupied habitat patches and is covered by the Rancho Bella Vista HCP. 
This HCP provides conservation of the Quino checkerspot butterfly 
through monitoring of this subspecies, habitat and dispersal corridor 
preservation and management, and habitat restoration and enhancement.
    The benefits of excluding lands covered by these HCPs would be 
significant in preserving positive relationships with our conservation 
partners, lessening potential additional regulatory review and 
potential

[[Page 9487]]

economic burdens, reinforcing the regulatory assurances provided for in 
the implementation agreements for the approved HCPs, and providing for 
more established and cooperative partnerships for future conservation 
efforts.
    In summary, the benefits of including these approved HCPs in 
critical habitat for the Quino checkerspot butterfly include increased 
educational benefits and minor additional management protections and 
measures. The benefits of excluding HCPs from being proposed as 
critical habitat for the Quino checkerspot butterfly include the 
additional conservation measures for this and other listed species, 
preservation of partnerships that may lead to future conservation, and 
the avoidance of the minor regulatory and economic burdens associated 
with the designation of critical habitat. The benefits of excluding 
these areas from critical habitat designation outweigh the benefits of 
including these areas. Furthermore, we have determined that these 
exclusions will not result in the extinction of the subspecies. We have 
already completed section 7 consultation on the impacts of these HCPs 
on the subspecies.
    We determined that the approved HCPs will not jeopardize the 
continued existence of the Quino checkerspot butterfly, which means 
that they will not appreciably reduce likelihood of the survival and 
recovery of the subspecies. Additionally, excluding these lands from 
the critical habitat designation will not result in the extinction of 
the species. Consequently, these lands have not been designated as 
critical habitat for the subspecies.
    The Lake Mathews Multiple Species Habitat Conservation Plan/Natural 
Community Conservation Plan (MSHCP) has been completed and approved by 
the California Department of Fish and Game (CDFG) and the Service. 
Although it is not currently known to occur within the reserve 
boundaries, the Quino checkerspot butterfly is conditionally covered by 
the Lake Mathews Multiple Species Habitat Conservation Plan/Natural 
Community Conservation Plan. Since the Quino checkerspot butterfly is 
only conditionally covered, we are including this HCP in the proposed 
critical habitat designation.
    The San Diego Multiple Species Conservation Program (MSCP) 
encompasses approximately 236,000 ha (582,000 ac) of southwestern San 
Diego County, and involves multiple jurisdictions. Approximately 69,600 
ha (172,000 ac) are targeted to be conserved within a preserve. We 
approved the overall MSCP and the City of San Diego's Subarea Plan in 
July 1997. The City of Poway's plan was approved in 1996; the County of 
San Diego's in 1998; San Diego Gas and Electric in 1995; and the City 
of La Mesa in 2000. Other jurisdictions, including the City of Chula 
Vista, are expected to complete their subarea planning processes in the 
future. The Quino checkerspot butterfly is not a covered subspecies for 
any of the subarea plans within the MSCP. However, both the County of 
San Diego and San Diego Gas and Electric are developing amendments to 
their permits to gain permit coverage for the Quino checkerspot 
butterfly. The Quino checkerspot butterfly is also a target subspecies 
for the North San Diego County Subarea of the MSCP which encompasses 
unincorporated lands east of the existing Multiple Habitat Conservation 
Program, and north of the MSCP planning areas. Since the Quino 
checkerspot butterfly is not yet a covered species, we are including 
this MSCP in the proposed critical habitat designation.
    The Western Riverside Multiple Species Habitat Conservation Plan 
was initiated by the County of Riverside on October 8, 1998. The 
planning area encompasses 530,000 ha (1.3 million ac) and is proposed 
to include conservation measures for over 100 species, including the 
Quino checkerspot butterfly. Currently, 12 cities within the western 
portion of Riverside County have endorsed, and will participate, in the 
planning efforts. A draft Multiple Species Habitat Conservation Plan is 
proposed to be released for public review in late 2001. Since this HCP 
is not yet completed, we are including it in the proposed critical 
habitat designation.
    Habitat conservation plans currently under development or being 
amended are intended to provide for protection and management of 
habitat areas essential for the conservation of the Quino checkerspot 
butterfly, while directing development and habitat modification to 
nonessential areas of lower habitat value. The HCP development process 
provides an opportunity for more intensive data collection and analysis 
regarding the use of particular habitat areas by the Quino checkerspot 
butterfly. The process also enables us to conduct detailed evaluations 
of the importance of such lands to the long-term survival of the 
species in the context of constructing a biologically configured system 
of interlinked habitat blocks. We fully expect that HCPs undertaken by 
local jurisdictions (e.g., counties, cities) and other parties will 
identify, protect, and provide appropriate management for those 
specific lands within the boundaries of the plans that are essential 
for the long-term conservation of the species. We believe and fully 
expect that our analyses of proposed HCPs and proposed projects under 
section 7 will show that covered activities carried out in accordance 
with the provisions of the HCPs and biological opinions will not result 
in destruction or adverse modification of critical habitat.
    We will provide technical assistance and work closely with 
applicants throughout the development of future HCPs to identify lands 
essential for the long-term conservation of the Quino checkerspot 
butterfly, and appropriate conservation and management actions. Several 
HCP efforts are currently under way that address listed and nonlisted 
species in areas within the range of the Quino checkerspot butterfly, 
and in areas we propose as critical habitat. The take minimization and 
mitigation measures provided under these HCPs would be expected to 
protect the essential habitat lands proposed as critical habitat in 
this rule and provide for the conservation of the covered species. If 
an HCP that addresses the Quino checkerspot butterfly is ultimately 
approved, we will reassess the critical habitat boundaries in light of 
the HCP. We will seek to undertake this review when the HCP is 
approved, but funding constraints may influence the timing of such a 
review.
    Should additional information become available that changes our 
analysis of the benefits of excluding any of these (or other) areas 
compared to the benefits of including them in the critical habitat 
designation, we may revise the proposed designation accordingly. 
Similarly, if new information indicates any of these areas should not 
be included in the proposed critical habitat designation because they 
no longer meet the definition of critical habitat, we may revise the 
proposal. If, consistent with available funding and program priorities, 
we elect to revise this designation, we will do so through a subsequent 
rulemaking.
    If you have questions regarding whether specific activities will 
constitute adverse modification of critical habitat, contact the Field 
Supervisor, Carlsbad Fish and Wildlife Offices (see ADDRESSES section). 
Requests for copies of the regulations on listed wildlife, and 
inquiries about prohibitions and permits may be addressed to the U.S. 
Fish and Wildlife Service, Branch of Endangered Species, 911 N.E. 11th 
Avenue, Portland, Oregon

[[Page 9488]]

97232 (telephone 503/231-2063; facsimile 503/231-6243).

Economic Analysis

    Section 4(b)(2) of the Act requires us to designate critical 
habitat on the basis of the best scientific and commercial data 
available, and to consider the economic and other relevant impacts of 
designating a particular area as critical habitat. We may exclude areas 
from critical habitat upon a determination that the benefits of such 
exclusions outweigh the benefits of specifying such areas as critical 
habitat. We cannot exclude such areas from critical habitat when such 
exclusion will result in the extinction of the species. We will conduct 
an economic analysis for this proposal prior to a final determination. 
When completed, we will announce the availability of the draft economic 
analysis with a notice in the Federal Register, and we will open a 30-
day comment period on the draft economic analysis and proposed rule at 
that time.

Public Comments Solicited

    We intend that any final action resulting from this proposal to be 
as accurate and as effective as possible. Therefore, we solicit 
comments or suggestions from the public, other concerned governmental 
agencies, the scientific community, industry, or any other interested 
party concerning this proposed rule. We particularly seek comments 
concerning:
    (1) The reasons why any habitat should or should not be determined 
to be critical habitat as provided by section 4 of the Act, including 
whether the benefits of designation will outweigh any threats to the 
species due to designation;
    (2) Specific information on the amount and distribution of the 
Quino checkerspot butterfly habitat, and what habitat is essential to 
the conservation of the subspecies and why;
    (3) Land use practices and current or planned activities in the 
subject areas and their possible impacts on proposed critical habitat;
    (4) Any foreseeable economic or other impacts resulting from the 
proposed designation of critical habitat, in particular, any impacts on 
small entities or families; and
    (5) Economic and other values associated with designating critical 
habitat for the Quino checkerspot butterfly, such as those derived from 
non-consumptive uses (e.g., hiking, camping, bird-watching, equestrian 
trails, enhanced watershed protection, improved air quality, increased 
soil retention, ``existence values,'' and reductions in administrative 
costs).
    (6) Whether our approach to critical habitat designation could be 
improved or modified in any way to provide for greater public 
participation and understanding, or to assist us in accommodating 
public concern and comments.
    If you wish to comment, you may submit your comments and materials 
concerning this proposal by any one of several methods (see ADDRESSES). 
If submitting comments by electronic format, please submit them in 
ASCII file format and avoid the use of special characters and 
encryption. Please include ``Attn: 1018-AH03'' and your name and return 
e-mail address in your e-mail message. Please note that the e-mail 
address will be closed out at the termination of the public comment 
period. If you do not receive confirmation from the system that we have 
received your message, contact us directly by calling our Carlsbad Fish 
and Wildlife Office at phone number 760/431-9440.
    Our practice is to make comments, including names and home 
addresses of respondents, available for public review during regular 
business hours. Individual respondents may request that we withhold 
their home address, which we will honor to the extent allowable by law. 
In some circumstances, we would withhold from the rulemaking record a 
respondent's identity, as allowable by law. If you wish us to withhold 
your name and/or address, you must state this request prominently at 
the beginning of your comment. However, we will not consider anonymous 
comments. To the extent consistent with applicable law, we will make 
all submissions from organizations or businesses, and from individuals 
identifying themselves as representatives or officials of organizations 
or businesses, available for public inspection in their entirety. 
Comments and materials received will be available for public 
inspection, by appointment, during normal business hours at the above 
address.

Peer Review

    In accordance with our policy published on July 1, 1994 (59 FR 
34270), we will seek the expert opinions of at least three appropriate 
and independent specialists regarding this proposed rule. The purpose 
of such review is to ensure decisions are based on scientifically sound 
data, assumptions, and analyses. We will send these peer reviewers 
copies of this proposed rule immediately following publication in the 
Federal Register. We will invite these peer reviewers to comment, 
during the public comment period, on the specific assumptions and 
conclusions regarding the proposed designation of critical habitat.
    We will consider all comments and data received during the 60-day 
comment period on this proposed rule during preparation of a final 
rulemaking. Accordingly, the final decision may differ from this 
proposal.

Public Hearings

    The Act provides for one or more public hearings on this proposal, 
if requested. Requests for public hearings must be made at least 15 
days prior to the close of the public comment period. We will schedule 
public hearings on this proposal, if any are requested, and announce 
the dates, times, and places of those hearings in the Federal Register 
and local newspapers at least 15 days prior to the first hearing.

Clarity of the Rule

    Executive Order 12866 requires each agency to write regulations/
notices that are easy to understand. We invite your comments on how to 
make this notice easier to understand including answers to questions 
such as the following: (1) Are the requirements in the notice clearly 
stated? (2) Does the notice contain technical language or jargon that 
interferes with the clarity? (3) Does the format of the notice 
(grouping and order of sections, use of headings, paragraphing, etc.) 
aid or reduce its clarity? (4) Is the description of the notice in the 
SUPPLEMENTARY INFORMATION section of the preamble helpful in 
understanding the notice? What else could we do to make the notice 
easier to understand?
    Send a copy of any comments that concern how we could make this 
notice easier to understand to the Field Supervisor, Carlsbad Fish and 
Wildlife Office (see ADDRESSES).

Required Determinations

Regulatory Planning and Review

    In accordance with Executive Order 12866, this document is a 
significant rule and was reviewed by the Office of Management and 
Budget (OMB). We are preparing a draft analysis of this proposed 
action, which will be available for public comment, to determine the 
economic consequences of designating the specific areas as critical 
habitat. The availability of the draft economic analysis will be 
announced in the Federal Register and in local newspapers so that it is 
available for public review and comments.
    (a) This rule is not expected to have an annual economic effect of 
$100 million or more or adversely affect an

[[Page 9489]]

economic sector, productivity, jobs, the environment, or other units of 
government. The Quino checkerspot butterfly was listed as an endangered 
subspecies in 1997. In fiscal years 1997 through 2000, we have 
conducted, or in the process of conducting, an estimated 11 formal 
section 7 consultations with other Federal agencies to ensure that 
their actions would not jeopardize the continued existence of the Quino 
checkerspot butterfly. We have also issued section 10(a)(1)(B) 
incidental take permits for approximately 12 projects in areas where 
the subspecies occurs in which the project proponents have prepared 
either individual HCPs or were signatories to the AD161 HCP in western 
Riverside County.
    Under the Act, critical habitat may not be adversely modified by a 
Federal agency action; the Act does not impose any restrictions through 
critical habitat designation on non-Federal persons unless they are 
conducting activities funded or otherwise sponsored, authorized, or 
permitted by a Federal agency. Section 7 requires Federal agencies to 
ensure that they do not jeopardize the continued existence of the 
species. Based upon our experience with the subspecies and its needs, 
we conclude that any Federal action or authorized action that could 
potentially cause adverse modification of the proposed critical habitat 
would currently be considered as ``jeopardy'' under the Act (see Table 
2).
    Accordingly, the designation of occupied critical habitat areas for 
the Quino checkerspot butterfly are not anticipated to have any 
incremental impacts on what actions may or may not be conducted by 
Federal agencies or non-Federal persons that receive Federal 
authorization or funding. Non-Federal persons that do not have a 
Federal ``sponsorship'' of their actions are not restricted by the 
designation of critical habitat (however, they continue to be bound by 
the provisions of the Act concerning ``take'' of the species). 
Designation of critical habitat in areas of unknown occupancy may have 
some effect if we do not consult in these areas now, and we will 
investigate this possibility through our economic analysis.
    (b) This rule is not expected to create inconsistencies with other 
agencies' actions. As discussed above, Federal agencies have been 
required to ensure that their actions do not jeopardize the continued 
existence of the Quino checkerspot butterfly since the listing in 1997. 
The prohibition against adverse modification of critical habitat is 
expected to impose few, if any, additional restrictions to those that 
currently exist. Because of the potential for impacts on other Federal 
agency activities for lands not known to be occupied, we will review 
this action for any inconsistencies with other Federal agency actions.
    (c) This rule is not expected to materially affect entitlements, 
grants, user fees, loan programs, or the rights and obligations of 
their recipients. Federal agencies are currently required to ensure 
that their activities do not jeopardize the continued existence of the 
subspecies, and as discussed above we do not anticipate that the 
adverse modification prohibition (resulting from critical habitat 
designation) will have any significant incremental effects.
    (d) This rule is not expected to raise novel legal or policy 
issues. This proposed determination follows the requirements for 
determining critical habitat contained in the Act.

            Table 2.--Impacts of Quino Checkerspot Butterfly Listing and Critical Habitat Designation
----------------------------------------------------------------------------------------------------------------
                                                                                          Additional activities
                                          Activities potentially affected by species     potentially affected by
       Categories of activities                        listing only \1\                      critical habitat
                                                                                             designation \2\
----------------------------------------------------------------------------------------------------------------
Federal Activities Potentially         Activities the Federal Government carries out     None.
 Affected \3\.                          such as removing, thinning, or destroying Quino
                                        checkerspot butterfly habitat (as defined in
                                        the primary constituent elements discussion),
                                        whether by burning or mechanical, chemical, or
                                        other means (e.g., woodcutting, grubbing,
                                        grading, overgrazing, construction, road
                                        building, mining, herbicide application, etc.)
                                        and appreciably decreasing habitat value or
                                        quality through indirect effects (e.g., edge
                                        effects, invasion of exotic plants or animals,
                                        or fragmentation.
Private Activities Potentially         Activities such as removing, thinning, or         None.
 Affected \4\.                          destroying Quino checkerspot butterfly habitat
                                        (as defined in the primary constituent elements
                                        discussion), whether by burning or mechanical,
                                        chemical, or other means (e.g., woodcutting,
                                        grubbing, grading, overgrazing, construction,
                                        road building, mining, herbicide application,
                                        etc.) and appreciably decreasing habitat value
                                        or quality through indirect effects (e.g., edge
                                        effects, invasion of exotic plants or animals,
                                        or fragmentation that require a Federal action
                                        (permit, authorization, or funding).
----------------------------------------------------------------------------------------------------------------
\1\ This column represents the activities potentially affected by listing the Quino checkerspot butterfly as an
  endangered subspecies (January 16, 1997, 62 FR 2313) under the Endangered Species Act.
\2\ This column represents the activities potentially affected by the critical habitat designation in addition
  to those activities potentially affected by listing the subspecies.
\3\ Activities initiated by a Federal agency.
\4\ Activities initiated by a private entity that may need Federal authorization or funding.

Regulatory Flexibility Act (5 U.S.C. 601 et seq.)

    In the economic analysis, we will determine if designation of 
critical habitat will have a significant effect on a substantial number 
of small entities. As discussed under Regulatory Planning and Review 
above, and in this proposed determination, this rule is expected to 
result in few, if any, restrictions in addition to those currently in 
existence. As indicated on Table 1 (see Critical Habitat Designation 
section), we proposed property owned by Federal, State, Tribal, and 
local governments, and private property.
    Within these areas, the types of Federal actions or authorized 
activities that we have identified as potential concerns are:
    (1) Regulation of activities affecting waters of the United States 
by the Corps under section 404 of the Clean Water Act;
    (2) Regulation of water flows, damming, diversion, and 
channelization by any Federal agencies;
    (3) Regulation of grazing, mining, and recreation by the BLM, 
Forest Service, or Service;
    (4) Road construction and maintenance, right of way designation, 
and regulation of agricultural activities;

[[Page 9490]]

    (5) Regulation of airport improvement activities by the Federal 
Aviation Administration jurisdiction;
    (6) Construction of roads and fences along the international border 
with Mexico, and associated immigration enforcement activities by the 
Immigration and Naturalization Service;
    (7) Hazard mitigation and post-disaster repairs funded by the 
Federal Emergency Management Agency;
    (8) Construction of communication sites licensed by the Federal 
Communications Commission; and
    (9) Activities funded by the U.S. Environmental Protection Agency, 
Department of Energy, or any other Federal agency.
    Many of the activities sponsored by Federal agencies within 
critical habitat areas are carried out by small entities (as defined by 
the Regulatory Flexibility Act) through contract, grant, permit, or 
other Federal authorization. As discussed above, these actions are 
currently required to comply with the listing protections of the Act, 
and the designation of critical habitat is not anticipated to have any 
additional effects on these activities.
    For actions on non-Federal property that do not have a Federal 
connection (such as funding or authorization), the current restrictions 
concerning take of the subspecies remain in effect, and this proposed 
determination will add no further restrictions.

Small Business Regulatory Enforcement Fairness Act (5 U.S.C. 804(2))

    In the economic analysis, we will determine whether designation of 
critical habitat would cause (a) any effect on the economy of $100 
million or more, (b) any increases in costs or prices for consumers, 
individual industries, Federal, State, or local government agencies, or 
geographic regions in the economic analysis, or (c) any significant 
adverse effects on competition, employment, investment, productivity, 
innovation, or the ability of U.S.-based enterprises to compete with 
foreign-based enterprises.

Unfunded Mandates Reform Act 
(2 U.S.C. 1501 et seq.)

    In accordance with the Unfunded Mandates Reform Act (2 U.S.C. 1501 
et seq.):
    (a) This rule, as proposed, will not ``significantly or uniquely'' 
affect small governments. A Small Government Agency Plan is not 
required. Small governments will be affected only to the extent that 
any programs having Federal funds, permits or other authorized 
activities must ensure that their actions will not adversely affect the 
critical habitat. However, as discussed above, these actions are 
currently subject to equivalent restrictions through the listing 
protections of the subspecies, and no further restrictions are 
anticipated.
    (b) This rule, as proposed, will not produce a Federal mandate of 
$100 million or greater in any year, that is, it is not a ``significant 
regulatory action'' under the Unfunded Mandates Reform Act. The 
designation of critical habitat imposes no obligations on State or 
local governments.

Takings

    In accordance with Executive Order 12630, the rule does not have 
significant takings implications. A takings implication assessment is 
not required. As discussed above, the designation of critical habitat 
affects only Federal agency actions. The rule will not increase or 
decrease the current restrictions on private property concerning take 
of the Quino checkerspot butterfly. Due to current public knowledge of 
the subspecies' protection, the prohibition against take of the 
subspecies both within and outside of the proposed areas, and the fact 
that critical habitat provides no incremental restrictions, we do not 
anticipate that property values will be affected by the critical 
habitat designation. While real estate market values may temporarily 
decline following designation, due to the perception that critical 
habitat designation may impose additional regulatory burdens on land 
use, we expect any such impacts to be short term. Additionally, 
critical habitat designation does not preclude development of HCPs and 
issuance of incidental take permits. Owners of areas that are included 
in the designated critical habitat will continue to have the 
opportunity to utilize their property in ways consistent with the 
survival and recovery of the Quino checkerspot butterfly.

Federalism

    In accordance with Executive Order 13132, the rule does not have 
significant Federalism effects. A Federalism assessment is not 
required. In keeping with Department of the Interior and Department of 
Commerce policy, we requested information from, and coordinated 
development of this critical habitat designation, with appropriate 
State resource agencies in California. The designation of critical 
habitat within the geographic range occupied by the Quino checkerspot 
butterfly imposes no additional restrictions to those currently in 
place, and therefore, has little incremental impact on State and local 
governments and their activities. The designation may have some benefit 
to these governments in that the areas essential to the conservation of 
the subspecies are more clearly defined, and the primary constituent 
elements of the habitat necessary to the survival of the subspecies are 
specifically identified. While this definition and identification does 
not alter where and what federally sponsored activities may occur, it 
may assist these local governments in long range planning (rather than 
waiting for case by case section 7 consultations to occur).

Civil Justice Reform

    In accordance with Executive Order 12988, the Office of the 
Solicitor has determined that the rule does not unduly burden the 
judicial system and meets the requirements of sections 3(a) and 3(b)(2) 
of the Order. We are proposing to designate critical habitat in 
accordance with the provisions of the Endangered Species Act. The rule 
uses standard property descriptions and identifies the primary 
constituent elements within the designated areas to assist the public 
in understanding the habitat needs of the Quino checkerspot butterfly.

Paperwork Reduction Act of 1995 
(44 U.S.C. 3501 et seq.)

    This rule references permits for HCPs which contain information 
collection activity. The Service has OMB approval for the collection 
under OMB Control Number 1018-0094 which expires on February 28, 2001. 
The Service may not conduct or sponsor, and a person is not required to 
respond to a collection of information unless it displays a currently 
valid OMB control number.

National Environmental Policy Act

    We determined we do not need to prepare an Environmental Assessment 
and/or an Environmental Impact Statement as defined by the National 
Environmental Policy Act of 1969 in connection with regulations adopted 
pursuant to section 4(a) of the Endangered Species Act, as amended. We 
published a notice outlining our reasons for this determination in the 
Federal Register on October 25, 1983 (48 FR 49244). This proposed 
determination does not constitute a major Federal action significantly 
affecting the quality of the human environment.

[[Page 9491]]

Government-to-Government Relationship With Tribes

    In accordance with the President's memorandum of April 29, 1994, 
``Government-to-Government Relations with Native American Tribal 
Governments'' (59 FR 22951), Executive Order 13175, and 512 DM 2, we 
are coordinating with federally recognized Tribes on a Government-to-
Government basis. We determined that 4,405 ha (10,890 ac) within the 
Cahuilla Band of Mission Indians Reservation in western Riverside 
County are essential for the conservation of the Quino checkerspot 
butterfly because they are directly adjacent to Quino checkerspot 
butterfly populations within the Silverado habitat complex, and provide 
essential dispersal and metapopulation habitat between core 
populations. Therefore, we are considering designating critical habitat 
for the Quino checkerspot butterfly on Tribal lands. We may exclude 
areas from critical habitat upon a determination that the benefits of 
such exclusions outweigh the benefits of specifying such areas as 
critical habitat according to section(4)(b)(2) of the Act. However, we 
cannot exclude such areas from critical habitat when such exclusions 
will result in the extinction of the subspecies.

Relationship to Mexico

    We are not aware of any existing regulatory mechanism in Mexico 
that would protect the Quino checkerspot butterfly or its habitat. 
Although Mexico has laws that could provide protection for rare 
species, they are not easily enforced. At this time, Mexico enforces no 
specific protections for this subspecies, or its habitat. If specific 
protections were available and enforceable in Mexico, the portion of 
the range in Mexico alone, in isolation, would not be adequate to 
ensure the long-term conservation of this subspecies. Furthermore, 
according to CFR 402.12(h) ``Critical habitat shall not be designated 
with foreign countries or in other areas outside of the United States 
jurisdiction.''

References Cited

    A complete list of all references cited in this proposed rule is 
available upon request from the Carlsbad Fish and Wildlife Office (see 
ADDRESSES section).

Authors

    The primary authors of this proposed rule are the staff of the 
Carlsbad Fish and Wildlife Office (see ADDRESSES section).

List of Subjects in 50 CFR Part 17

    Endangered and threatened species, Exports, Imports, Reporting and 
record keeping requirements, Transportation.

Proposed Regulation Promulgation

    Accordingly, we propose to amend part 17, subchapter B of chapter 
I, title 50 of the Code of Federal Regulations as set forth below:

PART 17--[AMENDED]

    1. The authority citation for part 17 continues to read as follows:

    Authority: 16 U.S.C. 1361-1407; 16 U.S.C. 1531-1544; 16 U.S.C. 
4201-4245; Pub. L. 99-625, 100 Stat. 3500; unless otherwise noted.

    2. In Sec. 17.11(h) revise the entry for ``Butterfly, Quino 
checkerspot''' under ``INSECTS'' to read as follows:


Sec. 17.11  Endangered and threatened wildlife.

* * * * *
    (h) * * *

--------------------------------------------------------------------------------------------------------------------------------------------------------
                            Species                                                             Vertebrate
----------------------------------------------------------------                                population
                                                                                                  where                         When   Critical  Special
                                                                        Historic range          endangered       Status        listed   habitat   rates
             Common name                    Scientific name                                         or
                                                                                                threatened
--------------------------------------------------------------------------------------------------------------------------------------------------------
                   *                  *                  *                  *                  *                  *                  *
Insects
                   *                  *                  *                  *                  *                  *                  *
Butterfly, Quino checkerspot.........  Euphydryas editha quino.  U.S.A. (CA), Mexico.........  .......do..  E                     604  17.95(i)       NA
                                                                                                      ....
                   *                  *                  *                  *                  *                  *                  *
--------------------------------------------------------------------------------------------------------------------------------------------------------

    3. Amend Sec. 17.95(i) by adding critical habitat for the Quino 
checkerspot butterfly (Euphydras editha quino) in the same alphabetical 
order as this subspecies occurs in Sec. 17.11(h).


Sec. 17.95  Critical habitat--fish and wildlife.

* * * * *
    (i) Insects. * * *
Quino Checkerspot Butterfly (Euphydras editha quino)
    1. Critical habitat units are depicted for Riverside and San Diego 
Counties, California, on the maps below.
    2. The primary constituent elements for the Quino checkerspot 
butterfly are those habitat components that are essential for the 
primary biological needs of larval diapause, feeding, and pupation, and 
adult oviposition (egg-laying), nectaring, roosting and basking, 
dispersal, genetic exchange, and shelter. Primary constituent elements 
occur in undeveloped areas that support various types of open woody 
canopy plant communities. They include, but are not limited to, plant 
communities in their natural state, or those that have been recently 
disturbed (e.g., by fire or grubbing) that provide populations of host 
plant and nectar sources for the Quino checkerspot butterfly. Habitat 
patch suitability is determined primarily by larval host plant density, 
topographic diversity, nectar resource availability, and climatic 
conditions (Osborne and Redak 2000; Singer 1972; Murphy 1982; Weiss et 
al. 1988; Murphy et al. 1990). The primary and secondary host plants 
that have been documented for the butterfly include Plantago erecta 
(dwarf plantain), Plantago patagonica (wooly plantain), Castilleja 
exserta (owl's clover), and Cordylanthus rigidus (bird's beak), with 
dwarf plantain being the most common. Dwarf plantain is an annual herb 
found in coastal sage scrub, open chaparral, grassland and similar 
plant communities. It is often associated with cryptogamic crusts, and 
fine-textured clay soils derived from gabbro and basalt. Some local 
populations or metapopulations of the Quino checkerspot butterfly may 
be dependent on secondary hosts for persistence. Typically, prediapause 
secondary hosts are important when the primary hosts undergo senescence 
before larvae can respond by entering diapause (Singer 1972, Ehrlich et 
al. 1975). Adult Quino checkerspot butterflies use a variety of plants 
for adult nectar feeding. Euphydryas editha prefers flowers with a 
platform-like surface on which they can remain upright while feeding 
(D. Murphy, G. Pratt, and M. Singer, pers. comm., 2000). The 
butterflies frequently

[[Page 9492]]

take nectar from Lomatium spp., Muilla spp., Achillea millefolium 
(yarrow), Amsinckia spp. (fiddleneck), Lasthenia spp. (goldfields), 
Plagiobothrys spp. (popcornflower), Cryptantha spp., Gilia spp., 
Eriogonum fasiculatum (California buckwheat), Allium spp. (onion), and 
Eriodictyon spp. (yerba santa) (D. Murphy and G. Pratt, pers. comm., 
2000).
    3. Critical habitat does not include non-Federal lands covered by a 
legally operative incidental take permit for which the Quino 
checkerspot butterfly is a covered species and has take authorization, 
issued under section 10(a)(1)(B) of the Act on or before [date of 
Federal Register publication of final rule].
    4. Existing features and structures within the boundaries of mapped 
critical habitat units, such as buildings, paved or improved roads, 
aqueducts, railroads, airports, other paved areas, lawns, large areas 
of closed canopy chaparral, agricultural fields, and other urban 
landscaped areas are not constituent elements. Federal actions limited 
to those areas, therefore, would not trigger a section 7 consultation, 
unless they affect the subspecies and/or primary constituent elements 
in adjacent critical habitat.

BILLING CODE 4310-55-P

[[Page 9493]]

[GRAPHIC] [TIFF OMITTED] TP07FE01.019


[[Page 9494]]


[GRAPHIC] [TIFF OMITTED] TP07FE01.020


BILLING CODE 4310-55-C

[[Page 9495]]

    Map Unit 1: Lake Mathews, Riverside County, California. From USGS 
1:24,000 quadrangle maps Alberhill, Lake Elsinore, Lake Mathews, and 
Steele Peak, lands bounded by the following Universal Transverse 
Mercator (UTM) zone 11, North American Datum of 1927 (NAD27) 
coordinates (E, N): 462800, 3746700; 463200, 3746700; 463200, 3746600; 
463100, 3746600; 463100, 3745900; 463000, 3745900; 463000, 3745800; 
463200, 3745800; 463200, 3745700; 463400, 3745700; 463400, 3745600; 
463900, 3745600; 463900, 3745500; 464100, 3745500; 464100, 3745400; 
464200, 3745400; 464200, 3745300; 464400, 3745300; 464400, 3745200; 
464500, 3745200; 464500, 3745100; 464800, 3745100; 464800, 3745000; 
465100, 3745000; 465100, 3744900; 465300, 3744900; 465300, 3744800; 
465400, 3744800; 465400, 3744600; 466500, 3744600; 466500, 3744400; 
466900, 3744400; 466900, 3743900; 467300, 3743900; 467300, 3743600; 
467400, 3743600; 467400, 3743300; 467000, 3743300; 467000, 3743200; 
466800, 3743200; 466800, 3743100; 467300, 3743100; 467300, 3742900; 
467400, 3742900; 467400, 3742800; 467700, 3742800; 467700, 3742900; 
467800, 3742900; 467800, 3743100; 468000, 3743100; 468000, 3743400; 
467900, 3743400; 467900, 3743500; 467700, 3743500; 467700, 3743600; 
467600, 3743600; 467600, 3743700; 467800, 3743700; 467800, 3743800; 
469500, 3743800; 469500, 3743300; 469600, 3743300; 469600, 3743200; 
469800, 3743200; 469800, 3743100; 469900, 3743100; 469900, 3743200; 
470200, 3743200; 470200, 3743100; 470400, 3743100; 470400, 3743000; 
470500, 3743000; 470500, 3742700; 470800, 3742700; 470800, 3742600; 
471000, 3742600; 471000, 3742500; 471100, 3742500; 471100, 3742400; 
471200, 3742400; 471200, 3742300; 471300, 3742300; 471300, 3741900; 
471400, 3741900; 471400, 3741800; 471700, 3741800; 471700, 3741700; 
471800, 3741700; 471800, 3741600; 471900, 3741600; 471900, 3741500; 
472000, 3741500; 472000, 3741100; 472100, 3741100; 472100, 3741000; 
472200, 3741000; 472200, 3740900; 472400, 3740900; 472400, 3741000; 
472600, 3741000; 472600, 3741100; 472800, 3741100; 472800, 3740600; 
472900, 3740600; 472900, 3739500; 472800, 3739500; 472800, 3738900; 
472700, 3738900; 472700, 3738300; 472300, 3738300; 472300, 3738000; 
472400, 3738000; 472400, 3737800; 472100, 3737800; 472100, 3737700; 
472200, 3737700; 472200, 3737500; 472000, 3737500; 472000, 3737300; 
472100, 3737300; 472100, 3737000; 472000, 3737000; 472000, 3736800; 
471800, 3736800; 471800, 3736500; 471700, 3736500; 471700, 3736400; 
471600, 3736400; 471600, 3736300; 471100, 3736300; 471100, 3736400; 
471000, 3736400; 471000, 3736600; 470900, 3736600; 470900, 3736500; 
470700, 3736500; 470700, 3735900; 470500, 3735900; 470500, 3735800; 
470300, 3735800; 470300, 3735700; 470100, 3735700; 470100, 3735600; 
469900, 3735600; 469900, 3735500; 469600, 3735500; 469600, 3735400; 
469200, 3735400; 469200, 3735300; 468700, 3735300; 468700, 3735200; 
467400, 3735200; 467400, 3735300; 467200, 3735300; 467200, 3735200; 
467100, 3735200; 467100, 3735100; 466800, 3735100; 466800, 3734900; 
466700, 3734900; 466700, 3734800; 466600, 3734800; 466600, 3734700; 
466500, 3734700; 466500, 3734600; 466400, 3734600; 466400, 3734100; 
466300, 3734100; 466300, 3733900; 466200, 3733900; 466200, 3733800; 
466100, 3733800; 466100, 3733600; 465900, 3733600; 465900, 3733400; 
465800, 3733400; 465800, 3733300; 465600, 3733300; 465600, 3733200; 
465400, 3733200; 465400, 3733700; 465300, 3733700; 465300, 3734000; 
465200, 3734000; 465200, 3734100; 465100, 3734100; 465100, 3734200; 
465000, 3734200; 465000, 3734300; 464900, 3734300; 464900, 3734400; 
464800, 3734400; 464800, 3733400; 461500, 3733400; 461500, 3734200; 
459900, 3734200; 459900, 3734600; 458900, 3734600; 458900, 3734700; 
458800, 3734700; 458800, 3734800; 458900, 3734800; 458900, 3735000; 
458800, 3735000; 458800, 3735100; 458700, 3735100; 458700, 3735200; 
458000, 3735200; 458000, 3735300; 457700, 3735300; 457700, 3735400; 
457600, 3735400; 457600, 3735500; 457500, 3735500; 457500, 3735600; 
457300, 3735600; 457300, 3735700; 457100, 3735700; 457100, 3735800; 
457000, 3735800; 457000, 3735900; 456900, 3735900; 456900, 3736100; 
456800, 3736100; 456800, 3736800; 457200, 3736800; 457200, 3736700; 
457300, 3736700; 457300, 3737100; 457200, 3737100; 457200, 3737200; 
457100, 3737200; 457100, 3737300; 457000, 3737300; 457000, 3737400; 
456900, 3737400; 456900, 3737500; 456800, 3737500; 456800, 3737600; 
456700, 3737600; 456700, 3737700; 456600, 3737700; 456600, 3737800; 
456500, 3737800; 456500, 3737900; 456400, 3737900; 456400, 3738100; 
456300, 3738100; 456300, 3738400; 456500, 3738400; 456500, 3738500; 
456600, 3738500; 456600, 3738600; 456700, 3738600; 456700, 3738700; 
456800, 3738700; 456800, 3738800; 456900, 3738800; 456900, 3739100; 
457000, 3739100; 457000, 3739600; 457100, 3739600; 457100, 3739900; 
457000, 3739900; 457000, 3740000; 456300, 3740000; 456300, 3739900; 
456000, 3739900; 456000, 3739800; 455700, 3739800; 455700, 3739700; 
455600, 3739700; 455600, 3739900; 455500, 3739900; 455500, 3740100; 
455400, 3740100; 455400, 3740300; 455300, 3740300; 455300, 3740600; 
455200, 3740600; 455200, 3741000; 455100, 3741000; 455100, 3741500; 
455000, 3741500; 455000, 3743400; 455100, 3743400; 455100, 3743800; 
455200, 3743800; 455200, 3744200; 455300, 3744200; 455300, 3744400; 
455400, 3744400; 455400, 3744600; 455500, 3744600; 455500, 3744900; 
455600, 3744900; 455600, 3745000; 455700, 3745000; 455700, 3745200; 
455800, 3745200; 455800, 3745300; 455900, 3745300; 455900, 3745500; 
456000, 3745500; 456000, 3745600; 456100, 3745600; 456100, 3745700; 
456200, 3745700; 456200, 3745800; 456300, 3745800; 456300, 3745900; 
456400, 3745900; 456400, 3746000; 456500, 3746000; 456500, 3746100; 
456600, 3746100; 456600, 3746200; 456700, 3746200; 456700, 3746100; 
456800, 3746100; 456800, 3746000; 456900, 3746000; 456900, 3745900; 
457100, 3745900; 457100, 3745800; 457200, 3745800; 457200, 3745700; 
457400, 3745700; 457400, 3745800; 457700, 3745800; 457700, 3745700; 
457600, 3745700; 457600, 3745600; 457500, 3745600; 457500, 3745400; 
457400, 3745400; 457400, 3745300; 457300, 3745300; 457300, 3745100; 
457200, 3745100; 457200, 3745000; 457100, 3745000; 457100, 3744600; 
457200, 3744600; 457200, 3744500; 457300, 3744500; 457300, 3744400; 
457400, 3744400; 457400, 3744300; 457300, 3744300; 457300, 3743700; 
457400, 3743700; 457400, 3743300; 457500, 3743300; 457500, 3743200; 
457600, 3743200; 457600, 3743100; 458100, 3743100; 458100, 3743300; 
458200, 3743300; 458200, 3743700; 458400, 3743700; 458400, 3743500; 
458500, 3743500; 458500, 3743300; 458400, 3743300; 458400, 3743200; 
458500, 3743200; 458500, 3743000; 458700, 3743000; 458700, 3743100; 
458800, 3743100; 458800, 3743000; 459000, 3743000; 459000, 3743100; 
459200, 3743100; 459200, 3743000; 459400, 3743000; 459400, 3743100; 
459500, 3743100; 459500, 3743000; 459700, 3743000; 459700, 3743200; 
459800, 3743200; 459800, 3743300; 460000, 3743300; 460000, 3743200; 
460100, 3743200; 460100, 3743100; 460200, 3743100; 460200, 3743000; 
460300, 3743000; 460300,

[[Page 9496]]

3742400; 460200, 3742400; 460200, 3742200; 460400, 3742200; 460400, 
3742300; 460500, 3742300; 460500, 3742500; 460600, 3742500; 460600, 
3742600; 460700, 3742600; 460700, 3742900; 460800, 3742900; 460800, 
3742800; 460900, 3742800; 460900, 3742900; 461000, 3742900; 461000, 
3742800; 461300, 3742800; 461300, 3742900; 461400, 3742900; 461400, 
3743000; 461800, 3743000; 461800, 3743100; 461900, 3743100; 461900, 
3743000; 462100, 3743000; 462100, 3743100; 462700, 3743100; 462700, 
3743300; 462900, 3743300; 462900, 3743400; 463000, 3743400; 463000, 
3743600; 463100, 3743600; 463100, 3743500; 463200, 3743500; 463200, 
3743600; 463300, 3743600; 463300, 3743700; 463500, 3743700; 463500, 
3743800; 463700, 3743800; 463700, 3743900; 463800, 3743900; 463800, 
3744000; 463900, 3744000; 463900, 3744100; 464600, 3744100; 464600, 
3744000; 464700, 3744000; 464700, 3744200; 464500, 3744200; 464500, 
3744300; 464300, 3744300; 464300, 3744400; 464200, 3744400; 464200, 
3744300; 463600, 3744300; 463600, 3744200; 463400, 3744200; 463400, 
3744100; 463300, 3744100; 463300, 3744000; 463200, 3744000; 463200, 
3744100; 462900, 3744100; 462900, 3744000; 462800, 3744000; 462800, 
3743900; 462700, 3743900; 462700, 3743800; 462600, 3743800; 462600, 
3744000; 462500, 3744000; 462500, 3743900; 462200, 3743900; 462200, 
3744000; 462100, 3744000; 462100, 3743900; 462000, 3743900; 462000, 
3744000; 461900, 3744000; 461900, 3744100; 461800, 3744100; 461800, 
3744300; 461700, 3744300; 461700, 3744500; 461600, 3744500; 461600, 
3744600; 461500, 3744600; 461500, 3744700; 461400, 3744700; 461400, 
3744600; 461300, 3744600; 461300, 3744700; 461200, 3744700; 461200, 
3745100; 461400, 3745100; 461400, 3745200; 461700, 3745200; 461700, 
3745300; 462000, 3745300; 462000, 3745400; 462100, 3745400; 462100, 
3745700; 462000, 3745700; 462000, 3745800; 461500, 3745800; 461500, 
3746000; 461800, 3746000; 461800, 3746200; 462200, 3746200; 462200, 
3746400; 462800, 3746400; 462800, 3746700; excluding land bounded by 
465100, 3742600; 465000, 3742600; 465000, 3742500; 465100, 3742500; 
465100, 3742600; land bounded by 461700, 3741800; 461800, 3741800; 
461800, 3741700; 462000, 3741700; 462000, 3741400; 461900, 3741400; 
461900, 3741300; 461800, 3741300; 461800, 3741400; 461500, 3741400; 
461500, 3741300; 461700, 3741300; 461700, 3741100; 461600, 3741100; 
461600, 3740900; 461500, 3740900; 461500, 3740700; 461600, 3740700; 
461600, 3740800; 461900, 3740800; 461900, 3740600; 461800, 3740600; 
461800, 3740200; 461900, 3740200; 461900, 3740300; 462100, 3740300; 
462100, 3740400; 462200, 3740400; 462200, 3740500; 462300, 3740500; 
462300, 3740600; 462600, 3740600; 462600, 3740500; 462700, 3740500; 
462700, 3740600; 462800, 3740600; 462800, 3740300; 462900, 3740300; 
462900, 3740000; 463000, 3740000; 463000, 3739800; 462600, 3739800; 
462600, 3739500; 462500, 3739500; 462500, 3739300; 462300, 3739300; 
462300, 3739200; 462200, 3739200; 462200, 3739100; 465000, 3739100; 
465000, 3737400; 465600, 3737400; 465600, 3737300; 465700, 3737300; 
465700, 3737000; 466100, 3737000; 466100, 3736900; 466600, 3736900; 
466600, 3736800; 466900, 3736800; 466900, 3737100; 467000, 3737100; 
467000, 3737200; 467300, 3737200; 467300, 3737500; 467900, 3737500; 
467900, 3737600; 468100, 3737600; 468100, 3738500; 468200, 3738500; 
468200, 3738800; 468100, 3738800; 468100, 3738900; 467900, 3738900; 
467900, 3738200; 467800, 3738200; 467800, 3738300; 467500, 3738300; 
467500, 3738600; 467200, 3738600; 467200, 3738700; 467100, 3738700; 
467100, 3738900; 467300, 3738900; 467300, 3739400; 467000, 3739400; 
467000, 3739800; 466600, 3739800; 466600, 3739600; 466500, 3739600; 
466500, 3739500; 466100, 3739500; 466100, 3741400; 465700, 3741400; 
465700, 3741800; 465600, 3741800; 465600, 3741900; 465400, 3741900; 
465400, 3741800; 465000, 3741800; 465000, 3742000; 464900, 3742000; 
464900, 3742200; 464800, 3742200; 464800, 3741900; 464700, 3741900; 
464700, 3741800; 464500, 3741800; 464500, 3741700; 464400, 3741700; 
464400, 3741800; 464300, 3741800; 464300, 3742000; 464400, 3742000; 
464400, 3742400; 464300, 3742400; 464300, 3742900; 464100, 3742900; 
464100, 3743100; 464000, 3743100; 464000, 3743000; 463800, 3743000; 
463800, 3742800; 463600, 3742800; 463600, 3742600; 462800, 3742600; 
462800, 3742400; 462900, 3742400; 462900, 3742100; 462700, 3742100; 
462700, 3742300; 462600, 3742300; 462600, 3742400; 462200, 3742400; 
462200, 3742200; 461900, 3742200; 461900, 3742100; 461700, 3742100; 
461700, 3741800; land bounded by 461700, 3741800; 461600, 3741800; 
461600, 3741700; 461700, 3741700; 461700, 3741800; land bounded by 
465100, 3742600; 465200, 3742600; 465200, 3742700; 465300, 3742700; 
465300, 3743000; 465100, 3743000; 465100, 3743200; 465000, 3743200; 
465000, 3742800; 465100, 3742800; 465100, 3742600; land bounded by 
466200, 3743300; 466200, 3743100; 466300, 3743100; 466300, 3743200; 
466400, 3743200; 466400, 3743300; 466200, 3743300; land bounded by 
460700, 3742100; 460700, 3741700; 461300, 3741700; 461300, 3741800; 
461200, 3741800; 461200, 3742000; 461000, 3742000; 461000, 3742100; 
460700, 3742100; land bounded by 465800, 3742000; 465800, 3741900; 
466000, 3741900; 466000, 3742000; 465800, 3742000; land bounded by 
469100, 3741400; 469100, 3741000; 468900, 3741000; 468900, 3740900; 
469100, 3740900; 469100, 3740600; 468900, 3740600; 468900, 3740200; 
468700, 3740200; 468700, 3739800; 468600, 3739800; 468600, 3739700; 
469300, 3739700; 469300, 3739900; 469400, 3739900; 469400, 3741400; 
469100, 3741400; land bounded by 466600, 3740800; 466600, 3740100; 
466800, 3740100; 466800, 3740500; 466900, 3740500; 466900, 3740800; 
466600, 3740800; land bounded by 467000, 3740000; 467000, 3739900; 
467300, 3739900; 467300, 3740000; 467000, 3740000; land bounded by 
468200, 3739800; 468200, 3739500; 468300, 3739500; 468300, 3739600; 
468400, 3739600; 468400, 3739800; 468200, 3739800; land bounded by 
469500, 3739800; 469500, 3739200; 469700, 3739200; 469700, 3739300; 
469600, 3739300; 469600, 3739500; 469700, 3739500; 469700, 3739800; 
469500, 3739800; land bounded by 469900, 3738700; 469900, 3738500; 
470000, 3738500; 470000, 3738700; 469900, 3738700; land bounded by 
469400, 3738500; 469400, 3738400; 469700, 3738400; 469700, 3738500; 
469400, 3738500; land bounded by 468300, 3737600; 468300, 3737400; 
468800, 3737400; 468800, 3737200; 468900, 3737200; 468900, 3737000; 
469600, 3737000; 469600, 3737200; 469300, 3737200; 469300, 3737500; 
468600, 3737500; 468600, 3737600; 468300, 3737600; and land bounded by 
463600, 3737400; 463600, 3737300; 463700, 3737300; 463700, 3736900; 
463000, 3736900; 463000, 3736800; 463200, 3736800; 463200, 3736200; 
463000, 3736200; 463000, 3736300; 462800, 3736300; 462800, 3736200; 
462500, 3736200; 462500, 3735900; 462600, 3735900; 462600, 3736100; 
463200, 3736100; 463200, 3735800; 463300, 3735800; 463300, 3735900; 
463500, 3735900; 463500, 3736300; 463700, 3736300; 463700, 3736500; 
463900, 3736500; 463900, 3736700; 464000, 3736700; 464000, 3737000;

[[Page 9497]]

464100, 3737000; 464100, 3737300; 463800, 3737300; 463800, 3737400; 
463600, 3737400.

BILLING CODE 4310-55-P
[GRAPHIC] [TIFF OMITTED] TP07FE01.021


[[Page 9498]]


    Map Unit 2: Southwest Riverside, Riverside County, California. From 
USGS 1:24,000 quadrangle maps Romoland, Winchester, Hemet, Blackburn 
Canyon, Murrieta, Bachelor Mountain, Sage, Cahuilla Mountain, Anza, 
Pechanga, Vail Lake, Aguanga, Beauty Mountain, and Palomar Observatory, 
land bounded by the following UTM NAD27 coordinates (E, N): 495500, 
3712300; 495500, 3712200; 495100, 3712200; 495100, 3712100; 494800, 
3712100; 494800, 3712000; 495300, 3712000; 495300, 3711900; 495400, 
3711900; 495400, 3711800; 495500, 3711800; 495500, 3711700; 495600, 
3711700; 495600, 3711800; 495900, 3711800; 495900, 3712100; 496000, 
3712100; 496000, 3712200; 496100, 3712200; 496100, 3712100; 496200, 
3712100; 496200, 3711900; 496100, 3711900; 496100, 3711700; 496000, 
3711700; 496000, 3711500; 495700, 3711500; 495700, 3711400; 495400, 
3711400; 495400, 3711300; 495300, 3711300; 495300, 3711600; 495100, 
3711600; 495100, 3711500; 494900, 3711500; 494900, 3711400; 494800, 
3711400; 494800, 3711300; 494700, 3711300; 494700, 3711200; 494600, 
3711200; 494600, 3711300; 494500, 3711300; 494500, 3711200; 494400, 
3711200; 494400, 3711300; 494300, 3711300; 494300, 3711400; 494000, 
3711400; 494000, 3711500; 493900, 3711500; 493900, 3711700; 493700, 
3711700; 493700, 3711800; 493600, 3711800; 493600, 3711900; 493400, 
3711900; 493400, 3712000; 493100, 3712000; 493100, 3711900; 492900, 
3711900; 492900, 3711800; 492800, 3711800; 492800, 3712000; 492900, 
3712000; 492900, 3712100; 492600, 3712100; 492600, 3712000; 492500, 
3712000; 492500, 3712300; 492400, 3712300; 492400, 3712400; 492300, 
3712400; 492300, 3712500; 492200, 3712500; 492200, 3712600; 491800, 
3712600; 491800, 3712400; 491300, 3712400; 491300, 3712200; 491100, 
3712200; 491100, 3712100; 491000, 3712100; 491000, 3712000; 490900, 
3712000; 490900, 3711900; 490600, 3711900; 490600, 3712600; 490700, 
3712600; 490700, 3713100; 490800, 3713100; 490800, 3713300; 490900, 
3713300; 490900, 3713500; 491000, 3713500; 491000, 3713700; 491100, 
3713700; 491100, 3713900; 491200, 3713900; 491200, 3714100; 490600, 
3714100; 490600, 3714900; 489900, 3714900; 489900, 3714100; 489200, 
3714100; 489200, 3712000; 488800, 3712000; 488800, 3712500; 488700, 
3712500; 488700, 3712600; 488600, 3712600; 488600, 3713100; 488400, 
3713100; 488400, 3712900; 488200, 3712900; 488200, 3712800; 488100, 
3712800; 488100, 3712700; 488200, 3712700; 488200, 3712500; 487600, 
3712500; 487600, 3712300; 487500, 3712300; 487500, 3712000; 487600, 
3712000; 487600, 3711900; 487700, 3711900; 487700, 3711800; 487900, 
3711800; 487900, 3711700; 488000, 3711700; 488000, 3711600; 488100, 
3711600; 488100, 3711500; 488200, 3711500; 488200, 3711400; 488100, 
3711400; 488100, 3711300; 488000, 3711300; 488000, 3711200; 487900, 
3711200; 487900, 3711000; 487700, 3711000; 487700, 3710900; 487400, 
3710900; 487400, 3711000; 487200, 3711000; 487200, 3711100; 487100, 
3711100; 487100, 3711200; 486900, 3711200; 486900, 3711300; 486600, 
3711300; 486600, 3711200; 486500, 3711200; 486500, 3711100; 486400, 
3711100; 486400, 3711000; 486300, 3711000; 486300, 3710900; 486200, 
3710900; 486200, 3710800; 486100, 3710800; 486100, 3710600; 486000, 
3710600; 486000, 3710400; 485900, 3710400; 485900, 3710200; 485800, 
3710200; 485800, 3710100; 485700, 3710100; 485700, 3709900; 485600, 
3709900; 485600, 3709800; 485500, 3709800; 485500, 3709900; 485400, 
3709900; 485400, 3710000; 485100, 3710000; 485100, 3709900; 485000, 
3709900; 485000, 3709800; 484900, 3709800; 484900, 3709700; 485000, 
3709700; 485000, 3709500; 485100, 3709500; 485100, 3709400; 485000, 
3709400; 485000, 3709300; 484900, 3709300; 484900, 3709400; 484800, 
3709400; 484800, 3709500; 484700, 3709500; 484700, 3709700; 484600, 
3709700; 484600, 3709900; 484500, 3709900; 484500, 3710000; 484400, 
3710000; 484400, 3710200; 484300, 3710200; 484300, 3710400; 484200, 
3710400; 484200, 3710500; 484100, 3710500; 484100, 3710700; 484000, 
3710700; 484000, 3710900; 483900, 3710900; 483900, 3711000; 483800, 
3711000; 483800, 3711200; 483700, 3711200; 483700, 3711400; 483600, 
3711400; 483600, 3711600; 483500, 3711600; 483500, 3711700; 483400, 
3711700; 483400, 3711900; 483300, 3711900; 483300, 3712200; 483400, 
3712200; 483400, 3712300; 483500, 3712300; 483500, 3712400; 483600, 
3712400; 483600, 3712500; 483800, 3712500; 483800, 3712600; 483900, 
3712600; 483900, 3712800; 484200, 3712800; 484200, 3712700; 484400, 
3712700; 484400, 3712600; 484700, 3712600; 484700, 3712700; 484800, 
3712700; 484800, 3712800; 485000, 3712800; 485000, 3712900; 484900, 
3712900; 484900, 3713100; 485000, 3713100; 485000, 3713900; 484800, 
3713900; 484800, 3714100; 484700, 3714100; 484700, 3714500; 484300, 
3714500; 484300, 3714800; 484200, 3714800; 484200, 3715100; 484100, 
3715100; 484100, 3715400; 484000, 3715400; 484000, 3715300; 483800, 
3715300; 483800, 3715100; 483600, 3715100; 483600, 3715300; 483700, 
3715300; 483700, 3715400; 483600, 3715400; 483600, 3715500; 483500, 
3715500; 483500, 3715400; 483400, 3715400; 483400, 3715800; 483500, 
3715800; 483500, 3716000; 483600, 3716000; 483600, 3716100; 483800, 
3716100; 483800, 3715900; 483900, 3715900; 483900, 3715800; 484100, 
3715800; 484100, 3716700; 484400, 3716700; 484400, 3716600; 484600, 
3716600; 484600, 3716500; 484800, 3716500; 484800, 3716700; 484900, 
3716700; 484900, 3717300; 483900, 3717300; 483900, 3717400; 484000, 
3717400; 484000, 3717500; 483900, 3717500; 483900, 3717600; 484000, 
3717600; 484000, 3717800; 484100, 3717800; 484100, 3718300; 484200, 
3718300; 484200, 3721200; 484300, 3721200; 484300, 3721300; 484500, 
3721300; 484500, 3721400; 484600, 3721400; 484600, 3721500; 485700, 
3721500; 485700, 3722200; 486600, 3722200; 486600, 3722100; 487100, 
3722100; 487100, 3722000; 487400, 3722000; 487400, 3721900; 487500, 
3721900; 487500, 3721700; 487400, 3721700; 487400, 3721600; 487600, 
3721600; 487600, 3722200; 488400, 3722200; 488400, 3722100; 488500, 
3722100; 488500, 3721900; 488400, 3721900; 488400, 3721800; 488300, 
3721800; 488300, 3721700; 488600, 3721700; 488600, 3721500; 488700, 
3721500; 488700, 3720700; 489000, 3720700; 489000, 3721500; 489400, 
3721500; 489400, 3721700; 489800, 3721700; 489800, 3722200; 492100, 
3722200; 492100, 3722300; 492400, 3722300; 492400, 3722700; 492500, 
3722700; 492500, 3722800; 492800, 3722800; 492800, 3722900; 493200, 
3722900; 493200, 3723000; 493700, 3723000; 493700, 3723100; 494300, 
3723100; 494300, 3723200; 495500, 3723200; 495500, 3723100; 496100, 
3723100; 496100, 3723000; 496400, 3723000; 496400, 3722900; 496700, 
3722900; 496700, 3722800; 496900, 3722800; 496900, 3722700; 497700, 
3722700; 497700, 3722600; 498000, 3722600; 498000, 3722500; 498400, 
3722500; 498400, 3722400; 498600, 3722400; 498600, 3722300; 498800, 
3722300; 498800, 3722200; 499000, 3722200; 499000, 3722100; 499300, 
3722100; 499300, 3722000; 499700, 3722000; 499700, 3721900; 500000, 
3721900; 500000, 3721800; 500200, 3721800; 500200, 3721700; 500500, 
3721700; 500500, 3721600; 500700, 3721600; 500700, 3721500;

[[Page 9499]]

500900, 3721500; 500900, 3721400; 501000, 3721400; 501000, 3721300; 
501100, 3721300; 501100, 3721200; 501300, 3721200; 501300, 3721100; 
501400, 3721100; 501400, 3721000; 501500, 3721000; 501500, 3720900; 
501600, 3720900; 501600, 3720800; 501700, 3720800; 501700, 3720700; 
501800, 3720700; 501800, 3720600; 501900, 3720600; 501900, 3720500; 
502000, 3720500; 502000, 3720400; 502100, 3720400; 502100, 3720300; 
502300, 3720300; 502300, 3720400; 502400, 3720400; 502400, 3720500; 
502500, 3720500; 502500, 3720600; 502700, 3720600; 502700, 3720700; 
502800, 3720700; 502800, 3720800; 502900, 3720800; 502900, 3720900; 
503100, 3720900; 503100, 3721000; 503300, 3721000; 503300, 3721100; 
503500, 3721100; 503500, 3721200; 503700, 3721200; 503700, 3721300; 
504100, 3721300; 504100, 3721400; 504400, 3721400; 504400, 3721500; 
505200, 3721500; 505200, 3721600; 505800, 3721600; 505800, 3721500; 
505900, 3721500; 505900, 3721700; 505800, 3721700; 505800, 3721800; 
505900, 3721800; 505900, 3722300; 506000, 3722300; 506000, 3722400; 
506100, 3722400; 506100, 3722600; 506000, 3722600; 506000, 3722800; 
506100, 3722800; 506100, 3722900; 506000, 3722900; 506000, 3723200; 
505900, 3723200; 505900, 3723300; 506000, 3723300; 506000, 3723500; 
505900, 3723500; 505900, 3724000; 506000, 3724000; 506000, 3724200; 
505900, 3724200; 505900, 3724300; 505600, 3724300; 505600, 3724800; 
506000, 3724800; 506000, 3725100; 505900, 3725100; 505900, 3725600; 
506300, 3725600; 506300, 3725500; 506700, 3725500; 506700, 3725900; 
506600, 3725900; 506600, 3728100; 506700, 3728100; 506700, 3728400; 
506800, 3728400; 506800, 3728800; 506900, 3728800; 506900, 3729000; 
507000, 3729000; 507000, 3729300; 507100, 3729300; 507100, 3729500; 
507600, 3729500; 507600, 3729400; 508000, 3729400; 508000, 3729300; 
508200, 3729300; 508200, 3729200; 508600, 3729200; 508600, 3729100; 
508700, 3729100; 508700, 3729000; 509100, 3729000; 509100, 3729100; 
509200, 3729100; 509200, 3729300; 509300, 3729300; 509300, 3729400; 
509400, 3729400; 509400, 3729500; 509500, 3729500; 509500, 3729600; 
509700, 3729600; 509700, 3729700; 509900, 3729700; 509900, 3729800; 
510000, 3729800; 510000, 3729900; 510300, 3729900; 510300, 3730000; 
510600, 3730000; 510600, 3730100; 510700, 3730100; 510700, 3730000; 
510800, 3730000; 510800, 3730200; 510900, 3730200; 510900, 3730300; 
511100, 3730300; 511100, 3730100; 511200, 3730100; 511200, 3730000; 
511400, 3730000; 511400, 3729900; 511500, 3729900; 511500, 3729800; 
511600, 3729800; 511600, 3729700; 512000, 3729700; 512000, 3729600; 
512300, 3729600; 512300, 3729500; 512500, 3729500; 512500, 3729400; 
512600, 3729400; 512600, 3729300; 512700, 3729300; 512700, 3729200; 
512900, 3729200; 512900, 3729100; 513000, 3729100; 513000, 3729000; 
513200, 3729000; 513200, 3728900; 513300, 3728900; 513300, 3728800; 
513500, 3728800; 513500, 3728700; 513600, 3728700; 513600, 3728500; 
513700, 3728500; 513700, 3728400; 513800, 3728400; 513800, 3728300; 
513900, 3728300; 513900, 3728100; 514000, 3728100; 514000, 3728000; 
514100, 3728000; 514100, 3727800; 514200, 3727800; 514200, 3727600; 
514300, 3727600; 514300, 3727500; 514400, 3727500; 514400, 3727400; 
514600, 3727400; 514600, 3727300; 514700, 3727300; 514700, 3727000; 
514800, 3727000; 514800, 3726800; 514700, 3726800; 514700, 3726700; 
514600, 3726700; 514600, 3726400; 514500, 3726400; 514500, 3726200; 
514400, 3726200; 514400, 3726000; 514300, 3726000; 514300, 3725400; 
514400, 3725400; 514400, 3724400; 514500, 3724400; 514500, 3724100; 
514600, 3724100; 514600, 3724000; 514700, 3724000; 514700, 3723700; 
514600, 3723700; 514600, 3723500; 514500, 3723500; 514500, 3723300; 
514400, 3723300; 514400, 3723200; 514300, 3723200; 514300, 3723100; 
514400, 3723100; 514400, 3722700; 514200, 3722700; 514200, 3722600; 
514100, 3722600; 514100, 3722500; 513900, 3722500; 513900, 3722400; 
513700, 3722400; 513700, 3722300; 513500, 3722300; 513500, 3722200; 
513300, 3722200; 513300, 3722100; 513100, 3722100; 513100, 3722000; 
512700, 3722000; 512700, 3721900; 512600, 3721900; 512600, 3721800; 
512500, 3721800; 512500, 3721100; 512400, 3721100; 512400, 3720900; 
512000, 3720900; 512000, 3720800; 512100, 3720800; 512100, 3720600; 
512200, 3720600; 512200, 3720100; 512000, 3720100; 512000, 3720000; 
511800, 3720000; 511800, 3719600; 511700, 3719600; 511700, 3719500; 
511400, 3719500; 511400, 3719300; 511300, 3719300; 511300, 3718900; 
511200, 3718900; 511200, 3718800; 511100, 3718800; 511100, 3718700; 
511000, 3718700; 511000, 3718600; 510900, 3718600; 510900, 3718400; 
510600, 3718400; 510600, 3718500; 510500, 3718500; 510500, 3718600; 
510400, 3718600; 510400, 3718500; 510300, 3718500; 510300, 3718400; 
510200, 3718400; 510200, 3718300; 510300, 3718300; 510300, 3717900; 
510400, 3717900; 510400, 3717400; 510500, 3717400; 510500, 3717100; 
510600, 3717100; 510600, 3717000; 510800, 3717000; 510800, 3716900; 
510900, 3716900; 510900, 3716800; 511000, 3716800; 511000, 3716700; 
511100, 3716700; 511100, 3716600; 511200, 3716600; 511200, 3716500; 
511300, 3716500; 511300, 3716400; 511400, 3716400; 511400, 3716300; 
511500, 3716300; 511500, 3716200; 511600, 3716200; 511600, 3716100; 
511700, 3716100; 511700, 3715900; 511800, 3715900; 511800, 3715800; 
511900, 3715800; 511900, 3715600; 512000, 3715600; 512000, 3715400; 
512100, 3715400; 512100, 3715200; 512200, 3715200; 512200, 3715000; 
512300, 3715000; 512300, 3714800; 512400, 3714800; 512400, 3714400; 
512500, 3714400; 512500, 3714200; 512900, 3714200; 512900, 3714100; 
513600, 3714100; 513600, 3714000; 514000, 3714000; 514000, 3713900; 
514300, 3713900; 514300, 3713800; 514500, 3713800; 514500, 3713700; 
514700, 3713700; 514700, 3713600; 514900, 3713600; 514900, 3713500; 
515100, 3713500; 515100, 3713400; 515200, 3713400; 515200, 3713300; 
515400, 3713300; 515400, 3713200; 515500, 3713200; 515500, 3713100; 
515600, 3713100; 515600, 3712500; 515500, 3712500; 515500, 3712200; 
515400, 3712200; 515400, 3711900; 515300, 3711900; 515300, 3711700; 
515200, 3711700; 515200, 3711600; 515100, 3711600; 515100, 3711500; 
514900, 3711500; 514900, 3711100; 514800, 3711100; 514800, 3710900; 
514700, 3710900; 514700, 3710800; 514600, 3710800; 514600, 3710700; 
514500, 3710700; 514500, 3710500; 514300, 3710500; 514300, 3710400; 
514400, 3710400; 514400, 3710300; 514700, 3710300; 514700, 3710200; 
514900, 3710200; 514900, 3710100; 515100, 3710100; 515100, 3710000; 
515300, 3710000; 515300, 3709600; 515500, 3709600; 515500, 3709500; 
515800, 3709500; 515800, 3709300; 516700, 3709300; 516700, 3708500; 
516600, 3708500; 516600, 3706400; 516700, 3706400; 516700, 3705900; 
516800, 3705900; 516800, 3705700; 516900, 3705700; 516900, 3705600; 
517000, 3705600; 517000, 3705300; 516900, 3705300; 516900, 3705200; 
517000, 3705200; 517000, 3704900; 517300, 3704900; 517300, 3704800; 
518100, 3704800; 518100, 3705000; 518300, 3705000; 518300, 3705100; 
518400, 3705100; 518400, 3705400; 518500, 3705400; 518500, 3705700; 
518600, 3705700; 518600, 3706100; 518700, 3706100; 518700, 3706400;

[[Page 9500]]

518800, 3706400; 518800, 3706800; 519000, 3706800; 519000, 3706700; 
519300, 3706700; 519300, 3706600; 519800, 3706600; 519800, 3707700; 
519700, 3707700; 519700, 3709500; 519800, 3709500; 519800, 3709600; 
520300, 3709600; 520300, 3709700; 520400, 3709700; 520400, 3709800; 
520600, 3709800; 520600, 3709900; 520800, 3709900; 520800, 3710000; 
521000, 3710000; 521000, 3710100; 521600, 3710100; 521600, 3710200; 
521800, 3710200; 521800, 3710100; 522000, 3710100; 522000, 3710200; 
522500, 3710200; 522500, 3710300; 522900, 3710300; 522900, 3710400; 
523300, 3710400; 523300, 3710300; 523600, 3710300; 523600, 3710100; 
523700, 3710100; 523700, 3710000; 524000, 3710000; 524000, 3710100; 
525000, 3710100; 525000, 3710000; 525100, 3710000; 525100, 3709900; 
525300, 3709900; 525300, 3709800; 525600, 3709800; 525600, 3709700; 
525700, 3709700; 525700, 3709600; 525800, 3709600; 525800, 3709500; 
526000, 3709500; 526000, 3709400; 526100, 3709400; 526100, 3709300; 
526300, 3709300; 526300, 3709200; 526400, 3709200; 526400, 3709100; 
526600, 3709100; 526600, 3708900; 526700, 3708900; 526700, 3708700; 
527100, 3708700; 527100, 3708600; 527800, 3708600; 527800, 3708700; 
527900, 3708700; 527900, 3708800; 528600, 3708800; 528600, 3709200; 
528500, 3709200; 528500, 3709400; 528400, 3709400; 528400, 3709700; 
528300, 3709700; 528300, 3710000; 528400, 3710000; 528400, 3710100; 
528500, 3710100; 528500, 3710200; 528600, 3710200; 528600, 3710300; 
528700, 3710300; 528700, 3710500; 529400, 3710500; 529400, 3710400; 
529500, 3710400; 529500, 3710200; 529700, 3710200; 529700, 3710100; 
529800, 3710100; 529800, 3710000; 529900, 3710000; 529900, 3709900; 
530100, 3709900; 530100, 3709800; 530200, 3709800; 530200, 3709700; 
530300, 3709700; 530300, 3709600; 530500, 3709600; 530500, 3709500; 
530600, 3709500; 530600, 3709400; 530800, 3709400; 530800, 3709200; 
530900, 3709200; 530900, 3709100; 531000, 3709100; 531000, 3709000; 
531100, 3709000; 531100, 3708800; 531300, 3708800; 531300, 3708900; 
532000, 3708900; 532000, 3708800; 532200, 3708800; 532200, 3708700; 
532300, 3708700; 532300, 3708600; 532400, 3708600; 532400, 3708400; 
532500, 3708400; 532500, 3708300; 532600, 3708300; 532600, 3708000; 
532500, 3708000; 532500, 3707600; 532600, 3707600; 532600, 3707400; 
532800, 3707400; 532800, 3707300; 533000, 3707300; 533000, 3707100; 
533100, 3707100; 533100, 3706800; 533200, 3706800; 533200, 3706700; 
533300, 3706700; 533300, 3706600; 533400, 3706600; 533400, 3706500; 
533500, 3706500; 533500, 3706200; 531000, 3706200; 531000, 3705700; 
531100, 3705700; 531100, 3705100; 531200, 3705100; 531200, 3705000; 
531700, 3705000; 531700, 3703600; 531800, 3703600; 531800, 3703400; 
532000, 3703400; 532000, 3703300; 532100, 3703300; 532100, 3703200; 
532200, 3703200; 532200, 3702900; 532300, 3702900; 532300, 3702600; 
532500, 3702600; 532500, 3700000; 532600, 3700000; 532600, 3697800; 
531900, 3697800; 531900, 3697900; 531300, 3697900; 531300, 3698000; 
530800, 3698000; 530800, 3697900; 530300, 3697900; 530300, 3698000; 
529700, 3698000; 529700, 3697900; 529600, 3697900; 529600, 3697600; 
528900, 3697600; 528900, 3697700; 528600, 3697700; 528600, 3697800; 
528200, 3697800; 528200, 3697900; 528000, 3697900; 528000, 3698000; 
527800, 3698000; 527800, 3698100; 527600, 3698100; 527600, 3698200; 
527400, 3698200; 527400, 3698100; 527300, 3698100; 527300, 3698200; 
527200, 3698200; 527200, 3698000; 526900, 3698000; 526900, 3697800; 
526700, 3697800; 526700, 3697400; 526600, 3697400; 526600, 3697200; 
526400, 3697200; 526400, 3697000; 526000, 3697000; 526000, 3697100; 
525700, 3697100; 525700, 3697000; 525200, 3697000; 525200, 3697100; 
525100, 3697100; 525100, 3697300; 524700, 3697300; 524700, 3697400; 
524400, 3697400; 524400, 3697500; 524100, 3697500; 524100, 3697300; 
524000, 3697300; 524000, 3697200; 523900, 3697200; 523900, 3697000; 
523800, 3697000; 523800, 3696700; 523700, 3696700; 523700, 3696500; 
523600, 3696500; 523600, 3696300; 523500, 3696300; 523500, 3696200; 
523200, 3696200; 523200, 3696300; 523000, 3696300; 523000, 3694700; 
522900, 3694700; 522900, 3694400; 522800, 3694400; 522800, 3694000; 
522700, 3694000; 522700, 3693800; 522600, 3693800; 522600, 3693600; 
522500, 3693600; 522500, 3693300; 522400, 3693300; 522400, 3693200; 
522300, 3693200; 522300, 3693000; 522200, 3693000; 522200, 3692900; 
522100, 3692900; 522100, 3692700; 522000, 3692700; 522000, 3692600; 
521900, 3692600; 521900, 3692500; 521800, 3692500; 521800, 3692400; 
521700, 3692400; 521700, 3692300; 521600, 3692300; 521600, 3692200; 
521500, 3692200; 521500, 3692100; 521400, 3692100; 521400, 3692000; 
521300, 3692000; 521300, 3691900; 521200, 3691900; 521200, 3691800; 
521000, 3691800; 521000, 3691700; 520800, 3691700; 520800, 3691600; 
520600, 3691600; 520600, 3692400; 520500, 3692400; 520500, 3692300; 
519800, 3692300; 519800, 3693000; 519000, 3693000; 519000, 3693800; 
518200, 3693800; 518200, 3694500; 518300, 3694500; 518300, 3694600; 
517400, 3694600; 517400, 3695300; 515900, 3695300; 515900, 3696100; 
514200, 3696100; 514200, 3696900; 514000, 3696900; 514000, 3696800; 
513400, 3696800; 513400, 3698500; 514000, 3698500; 514000, 3698600; 
513900, 3698600; 513900, 3698700; 514000, 3698700; 514000, 3698800; 
513400, 3698800; 513400, 3699000; 513300, 3699000; 513300, 3699200; 
513200, 3699200; 513200, 3699500; 513400, 3699500; 513400, 3699400; 
513500, 3699400; 513500, 3699300; 513600, 3699300; 513600, 3699200; 
513900, 3699200; 513900, 3699300; 514000, 3699300; 514000, 3699600; 
513900, 3699600; 513900, 3699700; 513800, 3699700; 513800, 3699800; 
513500, 3699800; 513500, 3699900; 513400, 3699900; 513400, 3700000; 
513500, 3700000; 513500, 3700100; 513700, 3700100; 513700, 3700300; 
513600, 3700300; 513600, 3700500; 513700, 3700500; 513700, 3700600; 
513800, 3700600; 513800, 3701000; 513600, 3701000; 513600, 3701200; 
513500, 3701200; 513500, 3701600; 513600, 3701600; 513600, 3702400; 
513400, 3702400; 513400, 3702000; 513300, 3702000; 513300, 3701900; 
513400, 3701900; 513400, 3701700; 513200, 3701700; 513200, 3701500; 
513300, 3701500; 513300, 3701100; 513400, 3701100; 513400, 3700400; 
513300, 3700400; 513300, 3700300; 513200, 3700300; 513200, 3699900; 
513000, 3699900; 513000, 3700000; 512800, 3700000; 512800, 3700100; 
512500, 3700100; 512500, 3700200; 512300, 3700200; 512300, 3700300; 
512100, 3700300; 512100, 3700600; 512200, 3700600; 512200, 3700700; 
511900, 3700700; 511900, 3700900; 512100, 3700900; 512100, 3701000; 
512500, 3701000; 512500, 3701200; 511800, 3701200; 511800, 3700200; 
511600, 3700200; 511600, 3700400; 511100, 3700400; 511100, 3700200; 
511000, 3700200; 511000, 3700300; 510700, 3700300; 510700, 3700400; 
510600, 3700400; 510600, 3700500; 510700, 3700500; 510700, 3700600; 
510800, 3700600; 510800, 3700700; 510900, 3700700; 510900, 3701000; 
510800, 3701000; 510800, 3701100; 510700, 3701100; 510700, 3701200; 
510600, 3701200; 510600, 3701100; 510500, 3701100; 510500, 3701000; 
510400, 3701000; 510400, 3701100; 510300, 3701100; 510300, 3701500;

[[Page 9501]]

510400, 3701500; 510400, 3701800; 510200, 3701800; 510200, 3701700; 
510100, 3701700; 510100, 3701600; 509800, 3701600; 509800, 3701500; 
509500, 3701500; 509500, 3701600; 509400, 3701600; 509400, 3701700; 
509300, 3701700; 509300, 3701800; 509200, 3701800; 509200, 3701900; 
509100, 3701900; 509100, 3702100; 509000, 3702100; 509000, 3702000; 
508600, 3702000; 508600, 3702100; 508500, 3702100; 508500, 3702200; 
508300, 3702200; 508300, 3702500; 508200, 3702500; 508200, 3702700; 
508100, 3702700; 508100, 3702600; 507700, 3702600; 507700, 3702700; 
507600, 3702700; 507600, 3702800; 506900, 3702800; 506900, 3702900; 
506500, 3702900; 506500, 3703000; 506300, 3703000; 506300, 3703300; 
506200, 3703300; 506200, 3703400; 506300, 3703400; 506300, 3703500; 
506200, 3703500; 506200, 3703600; 505900, 3703600; 505900, 3703700; 
505600, 3703700; 505600, 3703600; 504900, 3703600; 504900, 3703700; 
504300, 3703700; 504300, 3703800; 504200, 3703800; 504200, 3704000; 
504100, 3704000; 504100, 3704700; 504000, 3704700; 504000, 3704800; 
503900, 3704800; 503900, 3705000; 504200, 3705000; 504200, 3705100; 
504400, 3705100; 504400, 3705200; 504500, 3705200; 504500, 3705300; 
504600, 3705300; 504600, 3705400; 504700, 3705400; 504700, 3705500; 
505000, 3705500; 505000, 3705600; 505200, 3705600; 505200, 3705700; 
505300, 3705700; 505300, 3705800; 505600, 3705800; 505600, 3705900; 
505800, 3705900; 505800, 3705600; 505900, 3705600; 505900, 3705200; 
506000, 3705200; 506000, 3705100; 506300, 3705100; 506300, 3705800; 
506200, 3705800; 506200, 3705900; 506000, 3705900; 506000, 3706100; 
505800, 3706100; 505800, 3706200; 505700, 3706200; 505700, 3706300; 
505600, 3706300; 505600, 3706200; 505500, 3706200; 505500, 3706100; 
505400, 3706100; 505400, 3706000; 505300, 3706000; 505300, 3705900; 
505200, 3705900; 505200, 3705800; 504800, 3705800; 504800, 3705900; 
504700, 3705900; 504700, 3706200; 504600, 3706200; 504600, 3706100; 
504500, 3706100; 504500, 3706000; 504400, 3706000; 504400, 3705900; 
504300, 3705900; 504300, 3705800; 503400, 3705800; 503400, 3705900; 
503300, 3705900; 503300, 3706000; 502900, 3706000; 502900, 3706300; 
502400, 3706300; 502400, 3706200; 502200, 3706200; 502200, 3705800; 
502100, 3705800; 502100, 3705500; 502000, 3705500; 502000, 3705200; 
501900, 3705200; 501900, 3704900; 502000, 3704900; 502000, 3704600; 
502200, 3704600; 502200, 3704800; 502300, 3704800; 502300, 3705100; 
502400, 3705100; 502400, 3705200; 502500, 3705200; 502500, 3705400; 
502400, 3705400; 502400, 3705600; 502700, 3705600; 502700, 3704900; 
502800, 3704900; 502800, 3704800; 503100, 3704800; 503100, 3704700; 
503300, 3704700; 503300, 3704600; 503500, 3704600; 503500, 3704500; 
503800, 3704500; 503800, 3703700; 503900, 3703700; 503900, 3703600; 
504000, 3703600; 504000, 3703500; 504100, 3703500; 504100, 3703400; 
504400, 3703400; 504400, 3703300; 504300, 3703300; 504300, 3703200; 
504100, 3703200; 504100, 3703100; 504000, 3703100; 504000, 3703000; 
503800, 3703000; 503800, 3702900; 503600, 3702900; 503600, 3702800; 
503100, 3702800; 503100, 3702700; 502200, 3702700; 502200, 3702800; 
501800, 3702800; 501800, 3702900; 501500, 3702900; 501500, 3703000; 
500300, 3703000; 500300, 3703100; 499400, 3703100; 499400, 3703200; 
499100, 3703200; 499100, 3703300; 498600, 3703300; 498600, 3703400; 
498400, 3703400; 498400, 3703500; 498300, 3703500; 498300, 3703600; 
498200, 3703600; 498200, 3703700; 498000, 3703700; 498000, 3703800; 
497800, 3703800; 497800, 3703900; 497600, 3703900; 497600, 3704000; 
497400, 3704000; 497400, 3704100; 497300, 3704100; 497300, 3704200; 
497000, 3704200; 497000, 3704300; 496800, 3704300; 496800, 3704400; 
496600, 3704400; 496600, 3704500; 496500, 3704500; 496500, 3704600; 
496300, 3704600; 496300, 3704700; 496200, 3704700; 496200, 3704800; 
496100, 3704800; 496100, 3704900; 496000, 3704900; 496000, 3705000; 
495800, 3705000; 495800, 3705100; 495500, 3705100; 495500, 3705200; 
495200, 3705200; 495200, 3705300; 495100, 3705300; 495100, 3705700; 
495200, 3705700; 495200, 3705900; 495300, 3705900; 495300, 3706500; 
495200, 3706500; 495200, 3706600; 495300, 3706600; 495300, 3706900; 
495500, 3706900; 495500, 3707000; 495800, 3707000; 495800, 3707100; 
495900, 3707100; 495900, 3707200; 495800, 3707200; 495800, 3707300; 
495700, 3707300; 495700, 3707500; 495500, 3707500; 495500, 3707800; 
495600, 3707800; 495600, 3708000; 495900, 3708000; 495900, 3708100; 
495700, 3708100; 495700, 3708400; 495800, 3708400; 495800, 3708500; 
496100, 3708500; 496100, 3708800; 496300, 3708800; 496300, 3708700; 
496400, 3708700; 496400, 3708500; 496700, 3708500; 496700, 3708400; 
496600, 3708400; 496600, 3708200; 496500, 3708200; 496500, 3708100; 
496400, 3708100; 496400, 3708000; 496300, 3708000; 496300, 3707700; 
496600, 3707700; 496600, 3707900; 496800, 3707900; 496800, 3708000; 
497000, 3708000; 497000, 3707900; 497100, 3707900; 497100, 3707800; 
496800, 3707800; 496800, 3707500; 497200, 3707500; 497200, 3707800; 
497300, 3707800; 497300, 3707700; 497400, 3707700; 497400, 3707800; 
497700, 3707800; 497700, 3707900; 497800, 3707900; 497800, 3708000; 
497900, 3708000; 497900, 3708100; 498000, 3708100; 498000, 3708200; 
498200, 3708200; 498200, 3708300; 498300, 3708300; 498300, 3708400; 
498200, 3708400; 498200, 3709200; 498300, 3709200; 498300, 3709500; 
498800, 3709500; 498800, 3709600; 499400, 3709600; 499400, 3709500; 
499600, 3709500; 499600, 3709400; 499700, 3709400; 499700, 3709600; 
499800, 3709600; 499800, 3709800; 500000, 3709800; 500000, 3710000; 
500100, 3710000; 500100, 3710100; 500300, 3710100; 500300, 3710000; 
500400, 3710000; 500400, 3710200; 500500, 3710200; 500500, 3710300; 
500400, 3710300; 500400, 3710500; 500500, 3710500; 500500, 3710600; 
501000, 3710600; 501000, 3710700; 501200, 3710700; 501200, 3710600; 
501300, 3710600; 501300, 3710500; 501600, 3710500; 501600, 3710300; 
501700, 3710300; 501700, 3710600; 503200, 3710600; 503200, 3710700; 
503400, 3710700; 503400, 3710800; 503700, 3710800; 503700, 3710900; 
503800, 3710900; 503800, 3711000; 504000, 3711000; 504000, 3711100; 
504200, 3711100; 504200, 3711200; 504300, 3711200; 504300, 3711300; 
504600, 3711300; 504600, 3711500; 504700, 3711500; 504700, 3711700; 
504800, 3711700; 504800, 3711900; 505000, 3711900; 505000, 3711800; 
505300, 3711800; 505300, 3711900; 505100, 3711900; 505100, 3712100; 
504200, 3712100; 504200, 3712200; 504100, 3712200; 504100, 3712300; 
503700, 3712300; 503700, 3712400; 503400, 3712400; 503400, 3712500; 
503300, 3712500; 503300, 3712600; 502900, 3712600; 502900, 3712700; 
502600, 3712700; 502600, 3712800; 502400, 3712800; 502400, 3712900; 
501400, 3712900; 501400, 3713000; 501300, 3713000; 501300, 3712900; 
501200, 3712900; 501200, 3712800; 501100, 3712800; 501100, 3712600; 
501300, 3712600; 501300, 3712400; 501200, 3712400; 501200, 3712300; 
500900, 3712300; 500900, 3712400; 500800, 3712400; 500800, 3712500; 
500500, 3712500; 500500, 3712600; 500600, 3712600; 500600, 3712800; 
500800, 3712800; 500800, 3712900; 500900, 3712900; 500900, 3713700;

[[Page 9502]]

501100, 3713700; 501100, 3713800; 500900, 3713800; 500900, 3713900; 
500700, 3713900; 500700, 3714100; 500600, 3714100; 500600, 3714000; 
500400, 3714000; 500400, 3714100; 500300, 3714100; 500300, 3714400; 
500200, 3714400; 500200, 3714600; 500500, 3714600; 500500, 3714700; 
501100, 3714700; 501100, 3714600; 501200, 3714600; 501200, 3714500; 
501500, 3714500; 501500, 3714400; 501700, 3714400; 501700, 3714300; 
501800, 3714300; 501800, 3714500; 502000, 3714500; 502000, 3714400; 
502100, 3714400; 502100, 3714500; 502200, 3714500; 502200, 3714600; 
502400, 3714600; 502400, 3714700; 502900, 3714700; 502900, 3714600; 
503500, 3714600; 503500, 3715000; 503600, 3715000; 503600, 3714900; 
503800, 3714900; 503800, 3715000; 503700, 3715000; 503700, 3715100; 
503600, 3715100; 503600, 3715300; 503900, 3715300; 503900, 3715400; 
503000, 3715400; 503000, 3715900; 503100, 3715900; 503100, 3716000; 
503200, 3716000; 503200, 3716100; 502800, 3716100; 502800, 3715900; 
501800, 3715900; 501800, 3716200; 501700, 3716200; 501700, 3716300; 
501400, 3716300; 501400, 3716200; 501500, 3716200; 501500, 3716100; 
501600, 3716100; 501600, 3716000; 501500, 3716000; 501500, 3715900; 
501200, 3715900; 501200, 3715800; 501100, 3715800; 501100, 3715600; 
501000, 3715600; 501000, 3715400; 500800, 3715400; 500800, 3715500; 
500700, 3715500; 500700, 3715600; 500600, 3715600; 500600, 3715800; 
500500, 3715800; 500500, 3715600; 500300, 3715600; 500300, 3715500; 
500100, 3715500; 500100, 3715300; 499800, 3715300; 499800, 3715400; 
499400, 3715400; 499400, 3714800; 499200, 3714800; 499200, 3714500; 
499100, 3714500; 499100, 3714400; 499000, 3714400; 499000, 3714200; 
498900, 3714200; 498900, 3714100; 498800, 3714100; 498800, 3713900; 
498900, 3713900; 498900, 3713800; 498800, 3713800; 498800, 3713600; 
498600, 3713600; 498600, 3713500; 498500, 3713500; 498500, 3713400; 
498400, 3713400; 498400, 3713300; 498200, 3713300; 498200, 3713200; 
497400, 3713200; 497400, 3713100; 497200, 3713100; 497200, 3713400; 
498000, 3713400; 498000, 3713500; 498100, 3713500; 498100, 3713700; 
497100, 3713700; 497100, 3714100; 496700, 3714100; 496700, 3713800; 
496600, 3713800; 496600, 3713700; 496500, 3713700; 496500, 3713500; 
496300, 3713500; 496300, 3713400; 496000, 3713400; 496000, 3713300; 
495600, 3713300; 495600, 3712300; 495500, 3712300; excluding land 
bounded by 497100, 3717300; 496900, 3717300; 496900, 3717400; 496700, 
3717400; 496700, 3717300; 496300, 3717300; 496300, 3717000; 496000, 
3717000; 496000, 3717100; 495800, 3717100; 495800, 3717000; 495400, 
3717000; 495400, 3716900; 494600, 3716900; 494600, 3716800; 494300, 
3716800; 494300, 3716900; 494200, 3716900; 494200, 3716800; 494100, 
3716800; 494100, 3716700; 493800, 3716700; 493800, 3716900; 493700, 
3716900; 493700, 3717000; 493600, 3717000; 493600, 3717100; 493500, 
3717100; 493500, 3717000; 493400, 3717000; 493400, 3716800; 493300, 
3716800; 493300, 3715900; 492600, 3715900; 492600, 3715800; 492500, 
3715800; 492500, 3715700; 492400, 3715700; 492400, 3715100; 492100, 
3715100; 492100, 3714900; 492000, 3714900; 492000, 3714700; 491800, 
3714700; 491800, 3714600; 492100, 3714600; 492100, 3714800; 492300, 
3714800; 492300, 3714900; 492500, 3714900; 492500, 3714700; 492700, 
3714700; 492700, 3715200; 492900, 3715200; 492900, 3715100; 493000, 
3715100; 493000, 3715300; 492900, 3715300; 492900, 3715400; 492800, 
3715400; 492800, 3715500; 492900, 3715500; 492900, 3715700; 493100, 
3715700; 493100, 3715800; 493300, 3715800; 493300, 3715700; 493400, 
3715700; 493400, 3715600; 493600, 3715600; 493600, 3715700; 493800, 
3715700; 493800, 3715800; 493900, 3715800; 493900, 3715700; 494000, 
3715700; 494000, 3715800; 494300, 3715800; 494300, 3715700; 494400, 
3715700; 494400, 3715800; 494500, 3715800; 494500, 3715700; 494600, 
3715700; 494600, 3715800; 494800, 3715800; 494800, 3715600; 495000, 
3715600; 495000, 3715500; 495400, 3715500; 495400, 3715600; 495600, 
3715600; 495600, 3715800; 495700, 3715800; 495700, 3715700; 496500, 
3715700; 496500, 3715600; 496700, 3715600; 496700, 3715700; 496800, 
3715700; 496800, 3715900; 497000, 3715900; 497000, 3716100; 497100, 
3716100; 497100, 3716200; 496800, 3716200; 496800, 3716300; 496600, 
3716300; 496600, 3716400; 496700, 3716400; 496700, 3716800; 496600, 
3716800; 496600, 3717000; 496700, 3717000; 496700, 3717200; 497000, 
3717200; 497000, 3717100; 497100, 3717100; 497100, 3717300; land 
bounded by 500600, 3715800; 500700, 3715800; 500700, 3715900; 500600, 
3715900; 500600, 3715800; land bounded by 487300, 3715700; 487300, 
3715600; 487400, 3715600; 487400, 3715500; 487300, 3715500; 487300, 
3715400; 487200, 3715400; 487200, 3715300; 486800, 3715300; 486800, 
3715200; 486700, 3715200; 486700, 3714900; 486600, 3714900; 486600, 
3714800; 486500, 3714800; 486500, 3714700; 486300, 3714700; 486300, 
3714600; 486100, 3714600; 486100, 3714100; 485100, 3714100; 485100, 
3714000; 485200, 3714000; 485200, 3713800; 485300, 3713800; 485300, 
3713500; 485200, 3713500; 485200, 3713400; 485300, 3713400; 485300, 
3713300; 485200, 3713300; 485200, 3713000; 485100, 3713000; 485100, 
3712900; 485500, 3712900; 485500, 3712800; 485900, 3712800; 485900, 
3712400; 486200, 3712400; 486200, 3712500; 486300, 3712500; 486300, 
3712600; 486400, 3712600; 486400, 3712700; 486500, 3712700; 486500, 
3712600; 486800, 3712600; 486800, 3712800; 486900, 3712800; 486900, 
3712900; 487100, 3712900; 487100, 3712600; 487200, 3712600; 487200, 
3712900; 487300, 3712900; 487300, 3713000; 487400, 3713000; 487400, 
3713100; 487500, 3713100; 487500, 3713200; 487600, 3713200; 487600, 
3713300; 487700, 3713300; 487700, 3713400; 487200, 3713400; 487200, 
3713700; 487300, 3713700; 487300, 3714100; 487400, 3714100; 487400, 
3714600; 487500, 3714600; 487500, 3715000; 487600, 3715000; 487600, 
3715600; 487700, 3715600; 487700, 3715700; 487300, 3715700; land 
bounded by 487300, 3715700; 487300, 3716200; 487200, 3716200; 487200, 
3716100; 487100, 3716100; 487100, 3716000; 487000, 3716000; 487000, 
3715900; 487100, 3715900; 487100, 3715800; 487200, 3715800; 487200, 
3715700; 487300, 3715700; land bounded by 503900, 3715400; 504100, 
3715400; 504100, 3715500; 504300, 3715500; 504300, 3715800; 504200, 
3715800; 504200, 3715900; 504000, 3715900; 504000, 3715600; 503900, 
3715600; 503900, 3715400; land bounded by 495400, 3712400; 495400, 
3712500; 495300, 3712500; 495300, 3712400; 495400, 3712400; land 
bounded by 504600, 3711300; 504600, 3711200; 504700, 3711200; 504700, 
3711300; 504600, 3711300; land bounded by 497500, 3707000; 497800, 
3707000; 497800, 3707100; 497900, 3707100; 497900, 3707200; 498000, 
3707200; 498000, 3707300; 498200, 3707300; 498200, 3707400; 498300, 
3707400; 498300, 3707500; 498400, 3707500; 498400, 3707600; 498100, 
3707600; 498100, 3707700; 498000, 3707700; 498000, 3707600; 497800, 
3707600; 497800, 3707400; 497700, 3707400; 497700, 3707100; 497500, 
3707100; 497500, 3707000; land bounded by 497100, 3706600; 497100, 
3706700; 497000, 3706700; 497000, 3706600; 497100, 3706600; land

[[Page 9503]]

bounded by 496700, 3706300; 496800, 3706300; 496800, 3706400; 496700, 
3706400; 496700, 3706300; land bounded by 495900, 3706000; 495700, 
3706000; 495700, 3705900; 495900, 3705900; 495900, 3706000; land 
bounded by 496100, 3704900; 496200, 3704900; 496200, 3705100; 496100, 
3705100; 496100, 3704900; land bounded by 495500, 3712300; 495500, 
3712400; 495400, 3712400; 495400, 3712300; 495500, 3712300; land 
bounded by 497300, 3706700; 497400, 3706700; 497400, 3706800; 497500, 
3706800; 497500, 3707000; 497300, 3707000; 497300, 3706700; land 
bounded by 495900, 3706000; 496000, 3706000; 496000, 3706100; 496300, 
3706100; 496300, 3706000; 496400, 3706000; 496400, 3706100; 496500, 
3706100; 496500, 3706200; 496700, 3706200; 496700, 3706300; 496500, 
3706300; 496500, 3706400; 496300, 3706400; 496300, 3706300; 495900, 
3706300; 495900, 3706000; land bounded by 497100, 3717300; 497300, 
3717300; 497300, 3717400; 497100, 3717400; 497100, 3717300; land 
bounded by 497300, 3706700; 497200, 3706700; 497200, 3706600; 497100, 
3706600; 497100, 3706500; 497000, 3706500; 497000, 3706400; 497100, 
3706400; 497100, 3706300; 497200, 3706300; 497200, 3706200; 497300, 
3706200; 497300, 3706100; 497500, 3706100; 497500, 3706300; 497400, 
3706300; 497400, 3706400; 497300, 3706400; 497300, 3706700; land 
bounded by 486600, 3721800; 486600, 3721500; 486700, 3721500; 486700, 
3721800; 486600, 3721800; land bounded by 488600, 3715700; 488600, 
3715500; 488800, 3715500; 488800, 3715600; 488700, 3715600; 488700, 
3715700; 488600, 3715700; land bounded by 488100, 3715600; 488100, 
3715400; 488000, 3715400; 488000, 3715000; 487900, 3715000; 487900, 
3714600; 487800, 3714600; 487800, 3714200; 488100, 3714200; 488100, 
3714400; 488200, 3714400; 488200, 3714900; 488300, 3714900; 488300, 
3715500; 488400, 3715500; 488400, 3715600; 488100, 3715600; land 
bounded by 496400, 3707400; 496400, 3707200; 496500, 3707200; 496500, 
3707400; 496400, 3707400; land bounded by 498700, 3707300; 498700, 
3706900; 498800, 3706900; 498800, 3706700; 499100, 3706700; 499100, 
3706800; 499700, 3706800; 499700, 3707000; 499600, 3707000; 499600, 
3707100; 499400, 3707100; 499400, 3707200; 498900, 3707200; 498900, 
3707300; 498700, 3707300; land bounded by 497200, 3705500; 497200, 
3705400; 497000, 3705400; 497000, 3705300; 496900, 3705300; 496900, 
3705200; 497000, 3705200; 497000, 3705000; 496800, 3705000; 496800, 
3704800; 497000, 3704800; 497000, 3704700; 497200, 3704700; 497200, 
3704600; 497300, 3704600; 497300, 3704700; 497500, 3704700; 497500, 
3704800; 497300, 3704800; 497300, 3705000; 497100, 3705000; 497100, 
3705200; 497300, 3705200; 497300, 3705300; 497400, 3705300; 497400, 
3705400; 497500, 3705400; 497500, 3705500; 497200, 3705500; and land 
bounded by 522700, 3696600; 522700, 3696500; 522400, 3696500; 522400, 
3696400; 522300, 3696400; 522300, 3696300; 522100, 3696300; 522100, 
3696200; 521900, 3696200; 521900, 3696100; 521800, 3696100; 521800, 
3696000; 521600, 3696000; 521600, 3695900; 521000, 3695900; 521000, 
3695800; 520800, 3695800; 520800, 3695700; 520600, 3695700; 520600, 
3695600; 519900, 3695600; 519900, 3695700; 519600, 3695700; 519600, 
3695600; 519500, 3695600; 519500, 3695400; 519100, 3695400; 519100, 
3695300; 519000, 3695300; 519000, 3695200; 518900, 3695200; 518900, 
3695000; 519000, 3695000; 519000, 3694800; 519100, 3694800; 519100, 
3694600; 519200, 3694600; 519200, 3694500; 519300, 3694500; 519300, 
3694400; 519600, 3694400; 519600, 3694300; 520000, 3694300; 520000, 
3694200; 520400, 3694200; 520400, 3694400; 520500, 3694400; 520500, 
3694500; 520700, 3694500; 520700, 3694600; 520800, 3694600; 520800, 
3694700; 521000, 3694700; 521000, 3694800; 521100, 3694800; 521100, 
3694900; 521300, 3694900; 521300, 3695000; 521900, 3695000; 521900, 
3694900; 522300, 3694900; 522300, 3695200; 522400, 3695200; 522400, 
3695700; 522100, 3695700; 522100, 3696000; 522200, 3696000; 522200, 
3696100; 522300, 3696100; 522300, 3696200; 522400, 3696200; 522400, 
3696300; 522600, 3696300; 522600, 3696400; 522800, 3696400; 522800, 
3696500; 523000, 3696500; 523000, 3696600; 522700, 3696600.

BILLING CODE 4310-55-P

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[GRAPHIC] [TIFF OMITTED] TP07FE01.022


BILLING CODE 4310-55-C
    Map Unit 3: Otay, San Diego County, California. From USGS 1:24,000 
quadrangle maps Dulzura, Jamul Mountains, Potrero, Tecate, Otay 
Mountain, Imperial Beach, and Otay Mesa. Beginning at the U.S./Mexico 
border at UTM NAD27 x-coordinate 507800 thence north along the 
following UTM NAD27 coordinates (E, N): 507800, 3601600 ; 507900, 
3601600; 507900, 3602100; 508100, 3602100; 508100, 3602200; 508700, 
3602200; 508700, 3602400; 508600, 3602400; 508600, 3602700; 508200, 
3602700; 508200, 3603200; 508100, 3603200; 508100, 3603400; 508000, 
3603400; 508000, 3603600; 508100, 3603600; 508100, 3603700; 508200, 
3603700; 508200, 3603800; 508400, 3603800; thence north to the County 
of San Diego Major Amendment (CSDMA) boundary at UTM x-coordinate 
508400; thence northwest following the CSDMA boundary to UTM x-
coordinate 508300; thence south and returning north following UTM 
coordinates 508300, 3604000; 507900, 3604000; 507900, 3604100; 508000, 
3604100; 508000, 3604600; 508100, 3604600; 508100, 3604700; thence east 
to the CSDMA boundary at UTM y-coordinate 3604700; thence north along 
the CSDMA boundary to the Multiple Habitat Planning Area (MHPA) 
boundary; thence northwestward along the MHPA boundary to CSDMA 
boundary; thence around the CSDMA boundary to the MHPA boundary; thence 
northward along the MHPA boundary to UTM y-coordinate 3606500; thence 
west to UTM coordinates (E, N): 506700, 3606500; thence north to the 
City of Chula Vista Preserve Design (CCVPD) boundary at UTM x-
coordinate 506700; thence southwestward along the CCVPD boundary to the 
CSDMA boundary; thence around the CSDMA boundary to the CCVPD boundary; 
thence along the CCVPD boundary to UTM y-coordinate 3604500; thence 
east following UTM coordinates 504600, 3604500; 504600, 3604600; 
503700, 3604600; thence north to the CCVPD boundary at UTM x-coordinate 
503700; thence west along the CCVPD boundary and continuing along 
Federal lands boundaries; thence west and north along the Federal lands 
boundaries to the CCVPD boundary; thence westward along the CCVPD 
boundary to Otay Mesa Road; thence west along Otay Mesa Road to the 
CCVPD boundary; thence northward along the CCVPD boundary to UTM x-
coordinate 498900; thence south and following UTM coordinates 498900, 
3603400; 498800, 3603400; 498800, 3603500; 498700, 3603500; 498700, 
3603700; 498800, 3603700; thence south to the CCVPD boundary at UTM x-
coordinate 498800; thence northward along the CCVPD boundary to UTM y-
coordinate 3604200; thence east and following UTM coordinates 498600, 
3604200; 498600, 3604700; 498500, 3604700; 498500, 3605400; 498700, 
3605400; thence to the CCVPD boundary at UTM x-coordinate 498700; 
thence east and back west along the CCVPD boundary to UTM x-coordinate 
489700; thence south and following UTM coordinates 498700, 3605700; 
498600, 3605700; 498600, 3606100; 498700, 3606100; thence south to the 
CCVPD boundary at UTM x-coordinate 498700; thence eastward along the 
CCVPD boundary to the MHPA boundary; thence northward along the MHPA 
boundary at UTM x-coordinate 506400; thence west and following UTM 
coordinates 506400, 3607900; 506300, 3607900; 506300, 3608100; thence 
east to the MHPA boundary at UTM y-coordinate 3608100; thence northward 
along the MHPA to UTM x-coordinate 505900; thence northward following

[[Page 9505]]

UTM coordinates 505900, 3613000; 506000, 3613000; 506000, 3613200; 
thence east to the CSDMA boundary at UTM y-coordinate 3613200; thence 
north along the CSDMA boundary to the CCVPD boundary; thence around the 
CCVPD boundary to the San Diego National Wildlife Refuge (SDNWR) 
boundary; thence north along the SDNWR boundary to UTM y-coordinate 
3615500; thence west and following UTM coordinates 506400, 3615500, 
506400, 3615400; 506200, 3615400; thence north to the CCVPD boundary at 
UTM x-coordinate 506200; thence southwestward along the CCVPD boundary 
to the MHPA boundary; thence around the MHPA boundary to UTM x-
coordinate 503800; thence south and following UTM coordinates 503800, 
3614900; 503000, 3614900; thence north to the SDNWR boundary at UTM x-
coordinate 503000; thence around the SDNWR boundary to the MHPA 
boundary; thence southeastward along the MHPA boundary to the SDNWR 
boundary; thence northeastward and returning southwestward along the 
SDNWR boundary to the MHPA boundary; thence south along the MHPA 
boundary to the CSDMA boundary; thence south along the CSDMA boundary 
to the MHPA boundary; thence north along the MHPA boundary to UTM y-
coordinate 3620200; thence west and following UTM coordinates 507300, 
3620200; 507300, 3620300; thence east to the MHPA boundary at UTM y-
coordinate 3620300; thence north along the MHPA boundary to Highway 94; 
thence east along Highway 94 to the MHPA boundary; thence southeastward 
along the MHPA boundary to the SDNWR boundary; thence north along the 
SDNWR boundary to Highway 94; thence east along Highway 94 to the SDNWR 
boundary; thence south the SDNWR boundary to UTM y-coordinate 3619400; 
thence east and following UTM coordinates 510000, 3619400; 510000, 
3618800; 509900, 3618800; thence north to the MHPA boundary at UTM x-
coordinate 509900; thence west along the MHPA boundary to UTM x-
coordinate 509800; thence south and following UTM coordinates 509800, 
3618800; 509400, 3618800; thence north to the MHPA boundary at UTM x-
coordinate 509400; thence west along the MHPA boundary to UTM x-
coordinate 508800; thence south and following UTM coordinates 508800, 
3617800; 509500, 3617800; 509500, 3617700; 510200, 3617700; 510200, 
3617600; 510300, 3617600; 510300, 3617700; thence east to California 
Department of Fish and Game (CDFG) lands at UTM y-coordinate 3617700; 
thence north and east along the CDFG lands to Highway 94; thence 
southeastward along Highway 94 to the MHPA boundary; thence west along 
the MHPA boundary to CDFG lands; thence south and west along the CDFG 
lands to the MHPA boundary; thence around the MHPA boundary to CDFG 
lands; thence along the CDFG lands to UTM x-coordinate 514900; thence 
south and following UTM coordinates 514900, 3612300; 515400, 3612300; 
515400, 3612200; 515300, 3612200; 515300, 3612100; 515100, 3612100; 
515100, 3612000; 515000, 3612000; 515000, 3611900; 515200, 3611900; 
515200, 3611700; 515400, 3611700; 515400, 3611600; 515600, 3611600; 
515600, 3611700; 515700, 3611700; 515700, 3611800; 516000, 3611800; 
516000, 3611700; 516700, 3611700; 516700, 3611800; 516800, 3611800; 
516800, 3611700; 516900, 3611700; 516900, 3611500; 517000, 3611500; 
517000, 3611300; 516900, 3611300; 516900, 3611100; 517100, 3611100; 
517100, 3611200; 517300, 3611200; 517300, 3611000; 517400, 3611000; 
517400, 3610800; 517100, 3610800; 517100, 3610600; 517000, 3610600; 
517000, 3610500; 516900, 3610500; 516900, 3610400; 516800, 3610400; 
516800, 3610300; 516700, 3610300; 516700, 3610100; 516800, 3610100; 
516800, 3609900; 516900, 3609900; 516900, 3609300; 517000, 3609300; 
517000, 3609400; 517100, 3609400; 517100, 3609600; 517200, 3609600; 
517200, 3609900; 517100, 3609900; 517100, 3610000; 517200, 3610000; 
517200, 3610100; 517400, 3610100; 517400, 3610000; 517600, 3610000; 
517600, 3609900; 517700, 3609900; 517700, 3609700; 517900, 3609700; 
517900, 3609500; 518200, 3609500; 518200, 3609700; 518500, 3609700; 
518500, 3609600; 518600, 3609600; 518600, 3609400; 518800, 3609400; 
518800, 3609100; 519100, 3609100; 519100, 3609600; 519200, 3609600; 
thence south to the MHPA boundary at UTM x-coordinate 519200; thence 
east along the MHPA to UTM y-coordinate 3609600; thence south and 
following UTM coordinates 521200, 3609600; 521200, 3609300; 521100, 
3609300; 521100, 3609200; 521400, 3609200; 521400, 3609100; 521500, 
3609100; 521500, 3608600; 521600, 3608600; 521600, 3608400; 521700, 
3608400; 521700, 3608300; 521800, 3608300; 521800, 3608200; 521900, 
3608200; 521900, 3608000; 522000, 3608000; 522000, 3607900; 522600, 
3607900; 522600, 3607800; 522900, 3607800; 522900, 3607700; 523000, 
3607700; 523000, 3607600; 523100, 3607600; 523100, 3607700; 523300, 
3607700; 523300, 3607600; 523400, 3607600; 523400, 3607700; 523600, 
3607700; 523600, 3607600; 524100, 3607600; 524100, 3607500; 524200, 
3607500; 524200, 3607300; 524300, 3607300; 524300, 3607400; 524500, 
3607400; 524500, 3607500; 524600, 3607500; 524600, 3607600; 524800, 
3607600; 524800, 3607700; 524900, 3607700; 524900, 3607600; 525100, 
3607600; 525100, 3607900; 524900, 3607900; 524900, 3608000; 524700, 
3608000; 524700, 3608200; 524600, 3608200; 524600, 3608400; 524700, 
3608400; 524700, 3608600; thence east to Highway 94 at UTM y-coordinate 
3608600; thence southeastward along Highway 94 to UTM x-coordinate 
538800; thence south and following UTM coordinates 538800, 3606900; 
538800, 3606500; 538900, 3606500; 538900, 3605600; 539000, 3605600; 
539000, 3605300; 538900, 3605300; thence south to the U.S./Mexico 
border at UTM x-coordinate 538900; returning to the point of beginning 
on the U.S./Mexico border at UTM x-coordinate 507800; excluding the 
Otay landfill; the planned recreational areas in the Otay River Valley 
and the university site as illustrated in the City of Chula Vista's 
subarea plan; and land bounded by 508700, 3602200; 508700, 3602100; 
508800, 3602100; 508800, 3602200; 508700, 3602200.

BILLING CODE 4310-55-P

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BILLING CODE 4310-55-C
    Map Unit 4: Jacumba, San Diego County, California. From USGS 
1:24,000 quadrangle maps In-Ko-Pah-Gorge, In-Ko-Pah-Gorge OE S, 
Jacumba, Jacumba OE S, Live Oak Springs, and Tierra Del Sol. Beginning 
at the U.S./Mexico border at UTM NAD27 x-coordinate 571500, lands 
bounded by the following UTM NAD27 coordinates (E, N): 571500, 3608000; 
571400, 3608000; 571400, 3608100; 571300, 3608100; 571300, 3608200; 
571100, 3608200; 571100, 3608400; 571000, 3608400; 571000, 3608500; 
570900, 3608500; 570900, 3608400; 570800, 3608400; 570800, 3608500; 
570700, 3608500; 570700, 3608700; 570900, 3608700; 570900, 3608900; 
571100, 3608900; 571100, 3609000; 571400, 3609000; 571400, 3609100; 
571500, 3609100; 571500, 3609300; 571200, 3609300; 571200, 3609400; 
571100, 3609400; 571100, 3609500; 570700, 3609500; 570700, 3609400; 
570100, 3609400; 570100, 3609500; 570000, 3609500; 570000, 3609900; 
570100, 3609900; 570100, 3610000; 570600, 3610000; 570600, 3610200; 
570700, 3610200; 570700, 3610300; 570100, 3610300; 570100, 3610400; 
570000, 3610400; 570000, 3610300; 569700, 3610300; 569700, 3610200; 
569600, 3610200; 569600, 3610300; 569500, 3610300; 569500, 3610900; 
569600, 3610900; 569600, 3611000; 569900, 3611000; 569900, 3611500; 
570300, 3611500; 570300, 3611700; 570400, 3611700; 570400, 3611800; 
570500, 3611800; 570500, 3612100; 570700, 3612100; 570700, 3612200; 
571300, 3612200; 571300, 3612900; 571400, 3612900; 571400, 3613100; 
571600, 3613100; 571600, 3613300; 571500, 3613300; 571500, 3613400; 
571400, 3613400; 571400, 3613500; 571300, 3613500; 571300, 3613900; 
572600, 3613900; 572600, 3614000; 572700, 3614000; 572700, 3614100; 
572900, 3614100; 572900, 3614200; 573100, 3614200; 573100, 3614300; 
573300, 3614300; 573300, 3614800; 573400, 3614800; 573400, 3614900; 
573600, 3614900; 573600, 3615000; 573700, 3615000; 573700, 3615100; 
573800, 3615100; 573800, 3615200; 574300, 3615200; 574300, 3615100; 
574500, 3615100; 574500, 3615200; 574600, 3615200; 574600, 3615100; 
574700, 3615100; 574700, 3615200; 574900, 3615200; 574900, 3615300; 
575000, 3615300; 575000, 3615600; 574900, 3615600; 574900, 3616100; 
575000, 3616100; 575000, 3616400; 575200, 3616400; 575200, 3616500; 
575300, 3616500; 575300, 3616600; 575500, 3616600; 575500, 3616700; 
575600, 3616700; 575600, 3617100; 575800, 3617100; 575800, 3617000; 
576200, 3617000; 576200, 3616900; 576400, 3616900; 576400, 3617000; 
576600, 3617000; 576600, 3616900; 576700, 3616900; 576700, 3617000; 
576900, 3617000; 576900, 3617100; 577100, 3617100; 577100, 3617000; 
577400, 3617000; 577400, 3617100; 577500, 3617100; 577500, 3617000; 
577800, 3617000; 577800, 3617100; 578100, 3617100; 578100, 3617200; 
578700, 3617200; 578700, 3617300; 579400, 3617300; 579400, 3617400; 
579900, 3617400; 579900, 3617300; 580000, 3617300; 580000, 3617400; 
580300, 3617400; 580300, 3617500; 581000, 3617500; 581000, 3617400; 
581300, 3617400; 581300, 3617300; 581500, 3617300; 581500, 3617200; 
581600, 3617200; 581600, 3616600; 581800, 3616600; 581800, 3616500; 
581900, 3616500; 581900, 3616100; 581600, 3616100; 581600, 3616000; 
581400, 3616000; 581400, 3615900; 581300, 3615900; 581300, 3615600; 
581400, 3615600; 581400, 3615500; 582100, 3615500; 582100, 3615400; 
582300, 3615400; 582300, 3615500; 582700, 3615500;

[[Page 9507]]

582700, 3615300; 582800, 3615300; 582800, 3615100; 582900, 3615100; 
582900, 3615000; 583100, 3615000; 583100, 3614800; 583200, 3614800; 
583200, 3614600; 583300, 3614600; 583300, 3614000; 583400, 3614000; 
583400, 3613900; 583500, 3613900; 583500, 3613800; 583700, 3613800; 
583700, 3613700; thence east to the San Diego/Imperial County boundary; 
thence south to the U.S./Mexico border at UTM x-coordinate 584200; 
thence westward along the U.S./Mexico border to UTM x-coordinate 
579000; thence northward and returning southward following UTM 
coordinates 579000, 3608700; 578900, 3608700; 578900, 3608800; 578800, 
3608800; 578800, 3608900; 578500, 3608900; 578500, 3608800; 578400, 
3608800; 578400, 3609000; 578100, 3609000; 578100, 3609100; 578000, 
3609100; 578000, 3609500; 577900, 3609500; 577900, 3609600; 577800, 
3609600; 577800, 3610000; 578000, 3610000; 578000, 3610100; 578300, 
3610100; 578300, 3610300; 578500, 3610300; 578500, 3610600; 578400, 
3610600; 578400, 3610800; 578300, 3610800; 578300, 3610900; 578200, 
3610900; 578200, 3611000; 578100, 3611000; 578100, 3611100; 578000, 
3611100; 578000, 3611200; 577700, 3611200; 577700, 3611300; 577500, 
3611300; 577500, 3611400; 577400, 3611400; 577400, 3611500; 577300, 
3611500; 577300, 3611700; 577100, 3611700; 577100, 3611800; 576900, 
3611800; 576900, 3611700; 577000, 3611700; 577000, 3611500; 577100, 
3611500; 577100, 3611200; 577000, 3611200; 577000, 3611100; 576900, 
3611100; 576900, 3610800; 577000, 3610800; 577000, 3610500; 577100, 
3610500; 577100, 3609900; 577000, 3609900; 577000, 3609700; 576900, 
3609700; 576900, 3609600; 576600, 3609600; 576600, 3609500; 576300, 
3609500; 576300, 3609400; 575900, 3609400; 575900, 3609200; 575800, 
3609200; 575800, 3609000; 575700, 3609000; 575700, 3608800; 575600, 
3608800; 575600, 3608700; 575500, 3608700; 575500, 3608600; 575400, 
3608600 to the U.S./Mexico border at UTM x-coordinate 575400; returning 
to the point of beginning on the U.S./Mexico border at UTM x-coordinate 
571500; excluding land bounded by 570700, 3610300; 570800, 3610300; 
570800, 3610400; 570700, 3610400; 570700, 3610300.
* * * * *

    Dated: February 1, 2001.
Joseph E. Doddridge,
Acting Assistant Secretary for Fish and Wildlife and Parks.
[FR Doc. 01-3127 Filed 2-6-01; 8:45 am]
BILLING CODE 4310-55-P