| Lat / long: | 44.57103, -107.69131 |
| Primary: | Magnesite |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MAS | 560030254 |
| DEP | 10229796 |
| Reference | {Deposit:: LOCATED IN SHELL CREEK CANYON, THE BASAL 225 FT OF THE BIG}{Deposit:: HORN FM IS DOLOMITIC LIMESTONE}{Deposit:: WYO GEOL SURV BULL #50 1966 P 67} |
| Reporter | South Dakota School of Mines |