| Lat / long: | 37.9381, -107.79314 |
| Primary: | Gold |
| Tertiary: | Lead, Silver |
| Operation type: | Underground |
| Development status: | Past Producer |
| MAS | 81130387 |
| DEP | 10167402 |
| Reference | {Deposit:: REF: COLO BOM ANNUAL REPORT 1941}{Deposit:: OWN-OP: MOUNTAIN TOP M&M CO 1955} |
| Reporter | Intermountain Field Operations Center (IFOC) |