| Lat / long: | 37.9353, -107.75424 |
| Primary: | Gold |
| Operation type: | Underground |
| Development status: | Past Producer |
| MAS | 81130551 |
| DEP | 10119066 |
| Reference | {Deposit:: REF: COLO BOM ANNUALREPORT 1937}{Deposit:: OPER: FRANK DALLE 1937} |
| Reporter | Intermountain Field Operations Center (IFOC) |