Invincible Shaft
Past ProducerSilver, CopperUndergroundUSGS MRDS
Location
| State | Colorado |
| County | Custer |
| Coordinates | 38.10779, -105.34807 |
Commodities
| Primary | Silver, Copper |
| Secondary | Lead, Iron |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Discovery Year | 1895 |
| Data Source | USGS MRDS |
| Source ID | 10012192 |