9.45—Suisun Valley.
(b) Approved maps.
The appropriate maps for determining the boundaries of the Suisun Valley viticultural area are four U.S.G.S. maps. They are titled:
(c) Boundaries.
The Suisun Valley viticultural area is located in Solano County, California. The beginning point is the intersection of the Southern Pacific Railroad track with range line “R3W/R2W” in the town of Cordelia, located on U.S.G.S. map “Cordelia Quadrangle.”
(1)
From the beginning point, the boundary runs northeast in a straight line to the intersection of Ledgewood Creek with township line “T5N/T4N”;
(2)
Thence in a straight line in a northeast direction to Bench Mark (BM) 19 located in the town of Fairfield;
(4)
Thence in a straight line in a northwest direction to the extreme southeast corner of Napa County located just south of Section 34, Township 6 North, Range 2 West;
(5)
Thence due west along the Napa/Solano County border to where it intersects with range line “R3W/R2W”;