| Lat / long: | 38.0653, -107.96425 |
| Primary: | Gold |
| Tertiary: | Silver |
| Operation type: | Underground |
| Development status: | Past Producer |
| MAS | 81130402 |
| DEP | 10289298 |
| Reference | {Deposit:: REF: COLO BOM ANNUAL REPORT 1960}{Deposit:: OWN-OPER: ALBERT GRANGER 1960} |
| Reporter | Intermountain Field Operations Center (IFOC) |