9.92—Madera.
(b) Approved maps.
The approved maps for determining the boundary of the Madera viticultural area are eleven U.S.G.S. maps. They are entitled:
(c) Boundaries.
The Madera viticultural area is located in Madera and Fresno Counties, California. The beginning point is found on the “Fresno North,” 7 1/2 minute series U.S.G.S. map at the point where the San Joaquin River intersects the section line dividing sections 20 and 29, and sections 21 and 28, T. 12 S., R. 20 E.;
(1)
Then east approximately 6 miles following the section line and Shepherd Avenue to the intersection with Sunnyside Road;
(2)
Then north approximately 7 miles following Sunnyside Road and continuing along the section line to the point of intersection of section 16, 17, 20, and 21, T.11S., R 21E.;
(3)
Then west approximately 17.6 miles following the section line and continuing along Avenue 15 to the intersection with the Atchison, Topeka and Santa Fe Railroad;
(5)
Then north following Road 26 and continuing north in a straight line to the Chowchilla River in the “Raynor Creek” 7 1/2 minute series U.S.G.S. map, and in the “San Jose” scaled 1:250,000 U.S.G.S. map;
(6)
Then west following the Chowchilla River to the point where the Madera County-Merced County boundary diverges from the river;