San Ramon Nos. 1, 2, 3, & 4
Past ProducerCopperUndergroundUSGS MRDS
Location
| State | California |
| County | San Luis Obispo |
| Coordinates | 35.43327, -120.78158 |
Commodities
| Primary | Copper |
| Tertiary | Gold |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10141060 |