Keystone Mine
Past ProducerSilver, Lead, CopperUSGS MRDS
Location
| State | Montana |
| County | Mineral |
| Coordinates | 47.26988, -114.93016 |
Commodities
| Primary | Silver, Lead, Copper |
Mine Details
| Status | Past Producer |
| Deposit Type | Vein |
| Data Source | USGS MRDS |
| Source ID | 10019040 |