Keystone Mine
Past ProducerGoldUndergroundUSGS MRDS
Location
| State | Montana |
| County | Beaverhead |
| Coordinates | 45.04350, -112.45697 |
Commodities
| Primary | Gold |
| Tertiary | Silver, Talc-Soapstone |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10172194 |