| Lat / long: | 44.3369, -103.81614 |
| Primary: | Silver, Gold |
| Ore: | Gold, Silver |
| Operation type: | Unknown |
| Deposit type: | Replacement |
| Production size: | Small |
| Development status: | Past Producer |
| Structure: | Series Of Minor North - South Faults Complicates The Structure And The 91 M Tornado Fault Cuts Off The Mine To The West. |
| Alteration processes: | Oxidized Ore |
| MRDS | SD02030 |
| DEP | 10055477 |
| Reference | US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 |
| Reporter | Barari, Rachel A. |