[U.S. Government Printing Office Style Manual] [Chapter 18 - Geologic Terms and Geographic Divisions] [From the U.S. Government Publishing Office, www.gpo.gov] Geologic terms For capitalization, compounding, and use of quotations in geologic terms, copy is to be followed. Geologic terms quoted verbatim from published material should be left as the original author used them; however, it should be made clear that the usage is that of the original author. Formal geologic terms are capitalized: Proterozoic Eon, Cambrian Period. Structural terms such as arch, anticline, or uplift are capitalized when preceded by a name: Cincinnati Arch, Cedar Creek Anticline, Ozark Uplift . See Chapter 4 geographic terms for more information. [GRAPHIC OMITTED IN TIFF FORMAT(S)] Physiographic regions Physiographic regions are based on terrain texture, rock type, and geologic structure and history. Th e classification system has three tiers: divisions, which are broken into provinces, and some provinces break further into sections. All names are capitalized, not the class; for graphic see http://tapestry.usgs.gov/physiogr/physio.html. [GRAPHIC OMITTED IN TIFF FORMAT(S)] Geographic divisions The Public Land Survey System has a hierarchy of lines. Principal meridians and base lines and their related townships, sections, and subdivisions of sections are incorporated in the description of land conveyed by the Federal Government and others. [GRAPHIC OMITTED IN TIFF FORMAT(S)] States, capitals, and counties The following includes parishes, boroughs, census divisions, districts, islands, municipalities, and "municipios" of the 50 States, U.S. possessions, and territories. County totals include city counties as defined by the National Association of Counties. See www.naco.org for more information. [GRAPHIC OMITTED IN TIFF FORMAT(S)] Common misspellings Geographers and cartographers omit the possessive apostrophe in place- names; however, apostrophes appearing in legally constituted names of counties should not be changed. The names of the following counties are often misspelled and/or confused: [GRAPHIC OMITTED IN TIFF FORMAT(S)]