| Lat / long: | 43.43413, -103.56389 |
| Primary: | Gypsum-Anhydrite |
| Ore: | Gypsum |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1911 |
| Host rock: | Spearfish |
| Host type: | Shale,Limestone |
| Tectonic: | Southern Black Hills |
| MRDS | SD02476 |
| DEP | 10055741 |
| Reference | U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 770 |
| Reporter | Barari, Rachel A. |