| Lat / long: | 37.62054, -105.2679 |
| Primary: | Lead, Silver, Iron, Zinc |
| Secondary: | Gold |
| Discovery year: | 1875 |
| Operation type: | Underground |
| Deposit type: | contact metamorphic, veins |
| Development status: | Past Producer |
| Host rock: | Sangre de Cristo Fm |
| Host type: | Sedimentary Rock,Monzonite |
| DEP | 10400261 |
| Reference | Patton, H.B and others, 1909, Geology of the Grayback Mining District, Colorado Geological Survey Bulletin 2 |