Excelsior Tunnel
ProspectSilverUndergroundUSGS MRDS
Location
| State | Colorado |
| County | Costilla |
| Coordinates | 37.61446, -105.27000 |
Commodities
| Primary | Silver |
| Secondary | Gold |
Mine Details
| Status | Prospect |
| Type | Underground |
| Deposit Type | vein |
| Data Source | USGS MRDS |
| Source ID | 10011666 |