Big Boulder Prospect
Past ProducerMicaUSGS MRDS
Location
| State | Colorado |
| County | Larimer |
| Coordinates | 40.52109, -105.40809 |
Commodities
| Primary | Mica |
| Secondary | Uranium |
| Tertiary | Beryllium, Feldspar, Lithium |
Mine Details
| Status | Past Producer |
| First Production | 1936 |
| Last Production | 1961 |
| Data Source | USGS MRDS |
| Source ID | 10087851 |