| Lat / long: | 42.48553, -110.54327 |
| Primary: | Bentonite |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MAS | 560350046 |
| DEP | 10279004 |
| Reference | {Deposit:: BEDS OF BENTONITE 2-8 INCHES THICK IN THE HILLARD FORMATION}{Deposit:: WYO. GEOL. SURV. BULL. 50, 1966, PAGE 18} |
| Reporter | South Dakota School of Mines |