| Lat / long: | 42.54164, -108.74402 |
| Primary: | Asbestos |
| Operation type: | Underground |
| Development status: | Past Producer |
| MAS | 560131045 |
| DEP | 10229989 |
| Reference | {Deposit:: MILL WAS BUILT IN 1919}{Deposit:: PRE-CAMBRIAN SERPENTINE BODY}{Deposit:: WYO GEOL SURV BULL 50 1966 P8} |
| Reporter | South Dakota School of Mines |