(a) Name. The name of the viticultural area described in this section is “Paulsell Valley”. For purposes of part 4 of this chapter, “Paulsell Valley” is a term of viticultural significance.

(b) Approved maps. The four United States Geological Survey (USGS) 1:24,000 scale topographic maps used to determine the boundary of the viticultural area are titled:

(1) Knights Ferry, California, 2015;

(2) Keystone, California, 2015;

(3) Cooperstown, California, 2015; and

(4) Paulsell, California, 2015.

(c) Boundary. The Paulsell Valley viticultural area is located in Stanislaus County, California. The boundary of the Paulsell Valley viticultural area is as described in the following paragraphs:

(1) The beginning point is on the Knights Ferry map at the intersection of Willms Road, Kennedy Road/Sonora Road, and State Highway 108/State Highway 120. From the beginning point, proceed southeasterly along Willms Road for 7.2 miles, crossing over the Keystone map and onto the Cooperstown map, to the intersection of Willms Road and Warnerville Road at the Warnerville Cemetery; then

(2) Proceed west, then south along Warnerville Road for a total of 0.5 mile to its intersection with Crabtree Road at the railroad tracks west of the town of Warnerville; then

(3) Proceed in a southerly direction along Crabtree Road for 6.7 miles to its intersection with the canal known locally as the Modesto Main Canal; then

(4) Proceed westerly along the canal, crossing onto the Paulsell map, and continuing along the canal for a total of 1.6 miles to the Modesto Reservoir; then

(5) Proceed along the eastern shore, then northern shore, of the Modesto Reservoir for 12.9 miles to the fifth intersection of the shore with an unnamed, intermittent creek at the northernmost point of the reservoir; then

(6) Proceed southwesterly in a straight line to the northern terminus of Reservoir Road; then

(7) Proceed south-southwest along Reservoir Road for 2.2 miles to its intersection with the 200-foot elevation contour; then

(8) Proceed northwest in a straight line for 1.2 miles to the intersection of Hazeldean Road and Tim Bell Road; then

(9) Proceed north along Tim Bell Road for 3.1 miles to its intersection with Claribel Road south of the town of Paulsell; then

(10) Proceed west along Claribel Road for 2.4 miles, crossing Cashman Creek, to the intersection of the road with the 260-foot elevation contour; then

(11) Proceed north in a straight line for 2 miles to the intersection of Warnerville Road and the 300-foot elevation contour east of Cashman Creek; then

(12) Proceed northeast in a straight line, crossing onto the Knights Ferry map and continuing for a total of 1.1 miles to the intersection of Fogarty Road and a railroad track; then

(13) Proceed east in a straight line for 0.9 mile to Paulsell Lateral; then

(14) Proceed northerly along Paulsell Lateral for 2.4 miles to its intersection with Cashman Creek; then

(15) Proceed northwest in a straight line for 1.3 miles to State Highway 108/State Highway 120; then

(16) Proceed northeast in a straight line for 2.4 miles to the third intersection of State Highway 108/State Highway 120 with the 300-foot elevation contour; then

(17) Proceed southeast along State Highway 108/State Highway 120 for 1 mile to its intersection with the 260-foot elevation contour; then

(18) Proceed northeasterly along the 260-elevation contour for 1.4 miles to its intersection with Sonora Road southeast of Knights Ferry; then

(19) Proceed southeast along Sonora Road for 0.1 mile to its intersection with Kennedy Road; then

(20) Proceed northeast, then east, then south along Kennedy Road/Sonora Road for 0.4 mile, returning to the beginning point.