Union Keystone Mine
ProducerGoldUSGS MRDS
Location
| State | California |
| County | Sierra |
| Coordinates | 39.74710, -120.89687 |
Commodities
| Primary | Gold |
Mine Details
| Status | Producer |
| Data Source | USGS MRDS |
| Source ID | 10077691 |
| State | California |
| County | Sierra |
| Coordinates | 39.74710, -120.89687 |
| Primary | Gold |
| Status | Producer |
| Data Source | USGS MRDS |
| Source ID | 10077691 |