---
kind: "section"
citation: "27 C.F.R. § 9.156"
title: "27"
number: "9.156"
heading: "Diablo Grande."
url: "https://uscodex.org/cfr/27/9.156"
---

# §9.156. Diablo Grande.

- (a) **Name.** The name of the viticultural area described in this section is “Diablo Grande”.
- (b) **Approved maps.** The appropriate maps for determining the boundary of the Diablo Grande viticultural area are the following four U.S.G.S. Quadrangle 7.5 Minute Series (Topographic) maps. They are titled:
  - (1) **Patterson Quadrangle, California—** Stanislaus Co., 1953 (Photorevised 1971, Photoinspected 1978);
  - (2) **Copper Mtn.** Quadrangle, California—Stanislaus Co., 1953 (Field Check 1956, Aerial Photo 1971);
  - (3) **Wilcox Ridge, California—** Stanislaus Co., 1956 (Photorevised 1971);
  - (4) **Orestimba Peak, California—** Stanislaus Co., 1955 (Photorevised 1971).
- (c) **Boundary.** The Diablo Grande viticultural area is located in the western foothills of Stanislaus County, California. The beginning point is at Reservoir Spillway 780 in [section 8](/cfr/27/8.md), Township 6 South, Range 7 East (T. 6S., R. 7E.) on the Patterson Quadrangle U.S.G.S. map.
  - (1) Then proceed northwest to Salt Grass Springs to the point where the 1000 foot contour line crosses the northern section line of [section 9](/cfr/27/9.md), T. 6S., R. 6E., on the Copper Mtn., Quadrangle U.S.G.S. map.
  - (2) **Then proceed due south past Copper Mountain in section 16, T.** 6S., R. 6E., to Mikes Peak in [section 4](/cfr/27/4.md), T. 7S., R. 6E., on the Wilcox Ridge Quadrangle U.S.G.S. map.
  - (3) **Then proceed due west to Oristimba Creek in section 6, T.** 7S., R. 6E.
  - (4) Then proceed following Orestimba Creek south/southeast and then east/northeast to the point where Orestimba Creek meets Bench Mark #340 in [section 28](/cfr/27/28.md), T. 7S., R. 7E., on the Orestimba Peak Quadrangle U.S.G.S. map.
  - (5) **Then proceed northwest to the point of beginning at Reservoir Spillway 780 in section 8, T.** 6S., R. 7E.

## Notes

### Amendments

[T.D. ATF-399, 63 FR 33853, June 22, 1998]

### Authority

Authority: 27 U.S.C. 205.

### Source

Source: T.D. ATF-60, 44 FR 56692, Oct. 2, 1979, unless otherwise noted.

### Amendments

[T.D. ATF-399, 63 FR 33853, June 22, 1998]