| Lat / long: | 39.71719, -105.69589 |
| Primary: | Lead |
| Tertiary: | Zinc |
| Operation type: | Underground |
| Development status: | Past Producer |
| MAS | 80190437 |
| DEP | 10239075 |
| Reference | OWN/OP:COMMONWEALTH TUNNEL TRANS. CO. |
| Reporter | Intermountain Field Operations Center (IFOC) |