Silver Mine
Past ProducerCopperUSGS MRDS
Location
| State | California |
| County | Contra Costa |
| Coordinates | 37.92212, -121.95771 |
Commodities
| Primary | Copper |
| Secondary | Manganese, Silver |
Mine Details
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10034259 |
| State | California |
| County | Contra Costa |
| Coordinates | 37.92212, -121.95771 |
| Primary | Copper |
| Secondary | Manganese, Silver |
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10034259 |