Big Reef Mine
Past ProducerSurfaceUSGS MRDS
Location
| State | California |
| County | San Bernardino |
| Coordinates | 34.80421, -116.34195 |
Commodities
| Tertiary | Aluminum, Barium-Barite, Calcium, Copper, Iron, Manganese, Phosphorus-Phosphates, Silica |
Mine Details
| Status | Past Producer |
| Type | Surface |
| First Production | 1944 |
| Discovery Year | 1938 |
| Data Source | USGS MRDS |
| Source ID | 10116066 |