(a) Name. The name of the viticultural area described in this section is “Willow Creek.”

(b) Approved map. The map showing the boundary of the Willow Creek viticultural area is: “Willow Creek Quadrangle,” California, U.S.G.S. 15 minute series (1952).

(c) Boundaries. The Willow Creek viticultural area is located within portions of Humboldt and Trinity Counties, California. From the point of beginning where the 1,000-foot contour line intersects Kirkham Creek (directly north of section 19, T.7 N./R.5E.), beginning in a southerly direction, the boundary line the 1,000-foot contour line to;

(1) The point of intersection between the 1,000-foot contour line and the north section line of section 27, T.6N./R.5E.;

(2) Then in a straight, north easterly line to the point of intersection between the 1,000-foot contour line and the east section line of section 13, T.6N./R.5E.;

(3) Then in a straight, northwesterly line to the point of intersection between the 1,000-foot contour line and the north section line of section 11, T.6N./R.5E.;

(4) Then in a straight, south-southwesterly line to the point of intersection between the 1,000-foot contour line and the east section line of section 15, T.6N./R.5E.;

(5) Then following the 1,000-foot contour line, beginning in a westerly direction, to the point of intersection between the 1,000-foot contour line and Coons Creek;

(6) Then in a straight, westerly line to the point of beginning.