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

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

(1) Sheridan, Oreg., 1956; revised 1992;

(2) Ballston, Oreg., 1956; revised 1992;

(3) Dallas, Oreg., 1974; photorevised 1986;

(4) Amity, Oreg., 1957; revised 1993; and

(5) Rickreall, Oreg., 1969; photorevised 1976;

(c) Boundary. The Van Duzer Corridor viticultural area is located in Polk and Yamhill Counties, in Oregon. The boundary of the Van Duzer Corridor viticultural area is as described below:

(1) The beginning point is on the Sheridan map at the intersection of State Highway 22 and Red Prairie Road. From the beginning point, proceed southeasterly along State Highway 22 for a total of 12.4 miles, crossing over the Ballston and Dallas maps and onto the Rickreall map, to the intersection of the highway with the 200-foot elevation contour west of the Oak Knoll Golf Course; then

(2) Proceed north on the 200-foot elevation contour, crossing onto the Amity map, to the third intersection of the elevation contour with Frizzell Road; then

(3) Proceed east on Frizzell Road for 0.3 mile to the intersection of the road with Oak Grove Road; then

(4) Proceed north along Oak Grove Road for 1.7 miles to the intersection of the road with Zena Road; then

(5) Proceed east on Zena Road for approximately 0.25 mile to the second intersection of the road with the 200-foot elevation contour; then

(6) Proceed northwest along the 200-foot elevation contour to the intersection of the elevation contour with Oak Grove Road; then

(7) Proceed north along Oak Grove Road (which becomes Old Bethel Road) approximately 7.75 miles to the intersection of the road with Patty Lane; then

(8) Proceed west in a straight line for a total of 10.8 miles, crossing over the Ballston map and onto the Sheridan map, to the intersection of the line with State Highway 18; then

(9) Proceed southwest along State Highway 18 for 0.3 miles to the intersection of the highway with Red Prairie Road; then

(10) Proceed south along Red Prairie Road for approximately 5.3 miles, returning to the beginning point.