Section 9.191 - Ramona Valley(a)Name. The name of the viticultural area described in this section is "Ramona Valley". For purposes of part 4 of this chapter, "Ramona Valley" is a term of viticultural significance.(b)Approved Maps. The two United States Geological Survey 1:100,000 scale topographic (30 * 60 Minute Quadrangle) maps used to determine the boundaries of the Ramona Valley viticultural area are titled-(1) Borrego Valley, California, 1982 edition; and(2) El Cajon, California, 1979 edition.(c)Boundary. The Ramona Valley viticultural area is located in central San Diego County, California. The area's boundaries are defined as follows-(1) Beginning in the southwest corner of the Borrego Valley map at the 882-meter (2,894-foot) peak of Woodson Mountain, T13S, R1W, proceed straight north-northwest approximately 3.25 miles to the 652-meter (2,140-foot) peak of Starvation Mountain, T13S, R1W (Borrego Valley map); then(2) Proceed straight east-northeast approximately 12.5 miles to the Gaging Station on the northwest shoreline of Sutherland Lake, T12S, R2E (Borrego Valley map); then(3) Proceed straight southeast approximately 4.4 miles to the 999-meter (3,278-foot) peak of Witch Creek Mountain, T13S, R2E, east of Ballena Valley (Borrego Valley map); then(4) Proceed straight south-southeasterly approximately 6.6 miles, crossing onto the El Cajon map, to the summit of Eagle Peak (3,166 feet), T14S, R3E, northeast of the El Capitan Reservoir (El Cajon map); then(5) Proceed straight west-southwest approximately 12.7 miles, passing through Barona Valley, to the peak (1,002 feet) near the center of the unnamed island in the San Vicente Reservoir, T14S, R1E (El Cajon map); then(6) Proceed straight northwesterly approximately 3.9 miles to the 822-meter (2,697-foot) peak of Iron Mountain, T14S, R1W (El Cajon map); and(7) Proceed straight north-northwest approximately 2.8 miles, crossing onto the Borrego Valley map, and return to the beginning point at the peak of Woodson Mountain.T.D. TTB-39, 70 FR 72719 , 12/7/2005