| Lat / long: | 44.54603, -107.75761 |
| Primary: | Gypsum-Anhydrite |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MAS | 560030256 |
| DEP | 10303638 |
| Reference | {Deposit:: LOCATED AT MOUTH OF SHELL CREEK CANYON- CHUGWATER FM}{Deposit:: 12 FT GYPSUM BED 24 FT FROM BOTTOM OF FM}{Deposit:: WYO GEOL SURV BULL #50 1966 P 98} |
| Reporter | South Dakota School of Mines |