| Lat / long: | 43.93802, -103.58139 |
| Primary: | Tungsten, Tin |
| Secondary: | Mica, Feldspar, Graphite |
| Ore: | Cassiterite, Feldspar, Graphite, Muscovite, Wolframite |
| Gangue: | Quartz |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Pegmatite |
| Associated rock: | Pegmatite |
| Associated type: | Pegmatite |
| MRDS | SD02172 |
| DEP | 10104231 |
| Reference | US BUREAU OF MINES, 1955 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 , BUREAU OF MINES INFORMATION CIRCULAR 7707 |
| Reporter | Barari, Rachel A. |