| Lat / long: | 38.46559, -107.99095 |
| Primary: | Silver |
| Operation type: | Underground |
| Development status: | Past Producer |
| MAS | 81130478 |
| DEP | 10255755 |
| Reference | {Deposit:: REF: COLO BOM ANNUAL REPORT 1922}{Deposit:: OWN-OPER: COLTOC MINING CO 1922} |
| Reporter | Intermountain Field Operations Center (IFOC) |