| Lat / long: | 43.69857, -103.61306 |
| Primary: | Mica |
| Ore: | Muscovite |
| Gangue: | Apatite, Biotite, Microcline, Quartz, Tourmaline |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Mica Schist,Pegmatite |
| Associated type: | Pegmatite |
| Alteration processes: | Much Of The Mica Is Air Stained, Ruled And Badly Reeved |
| MRDS | SD02549 |
| DEP | 10055794 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS. SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707 P. 160}{Deposit:: USGS PP 247, P. 10, 11, 149-150.}{Production:: USGS PP 247, P. 149} |
| Reporter | Barari, Rachel A. |