9.25—San Pasqual Valley.
(b) Approved maps.
The appropriate maps for determining the boundaries are three U.S.G.S. maps. They are entitled:
(c) Boundaries.
The San Pasqual Valley viticultural area is located in San Diego County, California.
(1)
From the beginning point at the intersection of Interstate 15 and the 500-foot contour line, north of the intersection of point of Interstate 15 and T.12 S./T.13 S., the boundary line follows the 500-foot contour line to;
(2)
The point nearest San Pasqual Road and the 500-foot contour line, the boundary line follows the Escondido Corporate Boundary line to the 500-foot contour line on the hillock and circumnavigates said hillock back to the Escondido Corporate Boundary line and returns to the 500-foot contour line nearest to San Pasqual Road and;
(3)
Continues along the 500-foot contour line completely around San Pasqual Valley to a point where the 500-foot contour line intersects with Pomerado Road, at this point, the boundary line, in a straight, northwesterly direction crosses over to;
(4)
The 500-foot contour line of Battle Mountain, following the 500-foot contour line around Battle Mountain to point nearest to Interstate 15, at which point the boundary line crosses over to Interstate 15; and