| Lat / long: | 44.97823, -108.36154 |
| Primary: | Bentonite |
| Operation type: | Unknown |
| Development status: | Past Producer |
| MAS | 560030187 |
| DEP | 10132194 |
| Reference | {Deposit:: BENTONITE FOUND IN FRONTIER AND THERMOPOLIS FM}{Deposit:: ALSO INCLUDES SEC 31 T58N,R95W}{Deposit:: WYO GEOL SURV BULL #50 1979 P 14} |
| Reporter | South Dakota School of Mines |