Facts
- MSHA status
- Active since Dec 1, 1986
- Type
- Surface
- County
- Imperial County
- State
- California
- Land status (BLM data)
- Federal land managed by the Bureau of Land Management
- Nearest town
- Brawley
- Employees reported
- 277
- Operator
- Western Mesquite Mines, Inc.
- Coordinates
- 33.0175, -114.9900
- MSHA mine ID
- 0404614
Source: MSHA Mines data set, retrieved 2026-10-13. Status and counts can lag real operations.
This location is mapped as federal land. Public land is not an invitation to enter a working mine or old workings. Ask the managing agency about access, claims and closures.
History and geology (USGS)
- USGS site name
- Big Tree Mine
- USGS status
- Unknown
- Commodities
- Gold
Matched by location to the USGS Mineral Resources Data System record 10211940 (retrieved 2026-10-13). The database was last updated around 2011, so history may be out of date.
Gold mines nearby
- Copperstone Mine 72 mi · non-producing