9.66—Russian River Valley.
(b) Approved maps.
The appropriate maps for determining the boundaries of the Russian River Valley viticultural area are 11 United States Geological Survey 1:24,000 Scale topographic maps. They are titled:
(8)
Sebastopol, California Quadrangle—Sonoma Co., 7.5 Minute Series, edition of 1954; photorevised 1980;
(1)
Starting point Healdsburg map-Healdsburg Avenue Bridge over the Russian River at Healdsburg. Proceed south along Russian River to the point where Russian River and Dry Creek converge, from this point proceed west in a straight line to Forman Lane.
(2)
Proceed west along Foreman Lane to where it crosses Westside Road and becomes Felta School Road.
(5)
Proceed southwest in a straight line 58 degrees W 27000′ to an intersection with Hulbert Creek on the Cazadero map.
(6)
Proceed south and southeast along Hulbert Creek to the point where it intersects California Hwy 116 on the Duncan Mills map.
(7)
Proceed in a westerly direction along California Hwy 116 to Monte Rio where it intersects the Bohemian Hwy.
(8)
Proceed southeast along the Bohemian Highway, crossing over the Camp Meeker map, to the town of Freestone, where the highway intersects at BM 214 with an unnamed medium-duty road (known locally as Bodega Road, section 12, T6N, R10W, on the Valley Ford map).
(9)
Proceed 0.9 mile northeast on Bodega Road to its intersection, at BM 486, with Jonvive Road to the north and an unnamed light duty road to the south, (known locally as Barnett Valley Road, T6N, R9W, on the Camp Meeker map).
(10)
Proceed 2.2 miles south, and then east, on Barnett Valley Road, crossing over the Valley Ford map, to its intersection with Burnside Road in section 17, T6N, R9W, on the Two Rock map.
(11)
Proceed 3.3 miles southeast on Burnside Road to its intersection with an unnamed medium duty road at BM 375, T6N, R9W, on the Two Rock map.
(12)
Proceed 0.6 mile straight southeast to an unnamed 610-foot elevation peak, 1.5 miles southwest of Canfield School, T6N, R9W, on the Two Rock map.
(13)
Proceed 0.75 mile straight east-southeast to an unnamed 641-foot elevation peak, 1.4 miles south-southwest of Canfield School, T6N, R9W, on the Two Rock map.
(14)
Proceed 0.85 mile straight northeast to the intersection with an unnamed intermittent stream and Canfield Road; continue 0.3 mile straight in the same northeast line of direction to its intersection with the common boundary of Ranges 8 and 9, just west of an unnamed unimproved dirt road, T6N, on the Two Rock map.
(15)
Proceed 1.8 miles straight north along the common Range 8 and 9 boundary line to its intersection with Blucher Creek, T6N, on the Two Rock map.
(16)
Proceed 1.25 miles generally northeast along Blucher Creek to its intersection with Highway 116, also known as Gravenstein Highway, in section 18, T6N, R8W, on the Two Rock map.
(17)
Proceed 0.2 mile straight southeast along Highway 116 to its intersection with an unnamed light duty road to the north in section 18, T6N, R8W, on the Two Rock map.
(18)
Proceed 0.1 mile straight northwest along the unnamed light duty road to its intersection with an unnamed medium-duty road to the east, (known as Todd Road in section 18, T6N, R8W, on the Two Rock map).
(19)
Proceed 4.8 miles east, north, and east again along Todd Road, a medium-duty road, crossing over the Sebastopol map and then passing over U.S. Highway 101 and continuing straight east 0.1 mile to Todd Road's intersection with Santa Rosa Avenue, a primary road that is generally parallel to U.S. Highway 101, in section 2, T6N, R8W, on the Santa Rosa map.
(20)
Proceed 5.8 miles generally north along Santa Rosa Avenue, which becomes Mendocino Avenue, to its intersection with an unnamed secondary road, known locally as Bicentennial Way, 0.3 mile north-northwest of BM 161 on Mendocino Avenue, section 11, T7N, R8W, on the Santa Rosa map.
(21)
Proceed 2.5 miles straight north, crossing over the 906-foot elevation peak in section 35 of the Santa Rosa map, to its intersection with Mark West Springs Road and the meandering 280-foot elevation in section 26, T8N, R8W, of the Mark West Springs map.
(22)
Proceed 4.8 miles north-northwest along Mark West Springs Road, which becomes Porter Creek Road, to its intersection with Franz Valley Road, a light-duty road to the north of Porter Creek Road, in section 12, T8N, R8W, on the Mark West Springs map.
(23)
Proceed in a northerly direction along Franz Vally Road to the northerly most crossing of Franz Creek.
(24)
Proceed west along Franz Creek until it intersects the line separating Section 21 and Section 22.
(25)
Proceed south on this line separating Section 21 and 22 to the corner common to Section 21 and 22 and Section 27 and 28.
(26)
Proceed west from the common corner of Section 21 and 22 and 27 and 28 and in a straight line to the peak of Chalk Hill on the Healdsburg map.
(27)
Proceed west from the peak of Chalk Hill in a straight line to the point where Brooks Creek joins the Russian River.
(33)
Proceed west in a straight line from hill top 447′ elv. to the point where Alexander Valley Road meets Healdsburg Avenue.
(34)
Proceed south along Healdsburg Avenue through the city of Healdsburg on the Healdsburg map to the point where it crosses the Russian River at the point of beginning.