| Lat / long: | 42.61854, -108.2949 |
| Primary: | Clay |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MAS | 560131211 |
| DEP | 10157638 |
| Reference | {Deposit:: 190.6 FT EXPOSED MOWRY SHALE - 55 THIN BENTONITE SEAMS.1-2.5}{Deposit:: FT INTERLAYERED}{Deposit:: WYO GEOL SURV BULL 50 1966 P16} |
| Reporter | South Dakota School of Mines |