Keystone Mine
Past ProducerFluorine-FluoriteUndergroundUSGS MRDS
Location
| State | Idaho |
| County | Custer |
| Coordinates | 44.44519, -114.32842 |
Commodities
| Primary | Fluorine-Fluorite |
| Tertiary | Lead, Copper, Beryllium, Silver |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Discovery Year | 1877 |
| Data Source | USGS MRDS |
| Source ID | 10071078 |