Keystone Mine
Past ProducerGoldSurface-UndergroundUSGS MRDS
Location
| State | Montana |
| County | Beaverhead |
| Coordinates | 45.75069, -112.91420 |
Commodities
| Primary | Gold |
| Tertiary | Silver |
Mine Details
| Status | Past Producer |
| Type | Surface-Underground |
| Data Source | USGS MRDS |
| Source ID | 10147576 |