(a) Name. The name of the viticultural area described in this section is “Mt. Veeder.”

(b) Approved Maps. The appropriate maps for determining the boundaries of the “Mt. Veeder” viticultural area are three U.S.G.S. Quadrangle (7.5 Minute Series) maps. They are titled:

(1) Napa, California (1951 (Photorevised (1980))

(2) Rutherford, California (1951 (Photorevised (1968))

(3) Sonoma, California (1951 (Photorevised (1980))

(c) Boundaries. (1) Beginning at unnamed peak, elevation 1,820, on the common boundary between Napa County and Sonoma County in section 23, Township 7 North, Range 6 West, Mount Diablo Base and Meridian on the Rutherford, Calif. U.S.G.S. map;

(2) Thence south along common boundary between Napa County and Sonoma County to unnamed peak, elevation 1,135 feet on the Sonoma, Calif. U.S.G.S. map;

(3) Thence continuing south along the ridge line approximately 1/2 mile to unnamed peak, elevation 948 feet;

(4) Thence due east in a straight line approximately 2/10 mile to the 400 foot contour;

(5) Thence following the 400 foot contour line north around Carneros Valley and then to the west of Congress Valley and Browns Valley on the Napa, Calif. U.S.G.S. map;

(6) Thence paralleling Redwood Road to its intersection with the line dividing Range 5 West and Range 4 West, east of the unnamed 837 foot peak;

(7) Thence north along the line dividing Range 5 West and Range 4 West approximately 4/10 mile to the 400 foot contour;

(8) Thence briefly southeast, then northwest along the 400 foot contour to the point where that contour intersects the northern border of Section 10, Township 6 North, Range 5 West immediately adjacent to Dry Creek on the Rutherford Calif. U.S.G.S. map;

(9) Thence northwesterly along Dry Creek through Sections 3 and 4 of Township 6 North, Range 5 West, and Sections 32 and 31 of Township 7 North, Range 5 West, to the fork of Dry Creek near the center of Section 25 of Township 7 North, Range 6 West;

(10) Continuing along the northern fork of Dry Creek through Sections 25 and 24 of Township 7 North, Range 6 West, to the point at which the main channel of Dry Creek ends and divides into three tributaries;

(11) Thence following the middle tributary of Dry Creek through Sections 24 and 23 of Township 7 North, Range 6 West, to its source at the intersection with a trail indicated on the map;

(12) Thence following a straight line west approximately 1/10 mile to the top of unnamed peak, elevation 1,820, the beginning point.