| Lat / long: | 43.83635, -103.38584 |
| Primary: | Mica |
| Ore: | Muscovite |
| Gangue: | Albite, Apatite, Beryl, Biotite, Garnet, Quartz |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Pegmatite,Granite |
| Associated rock: | Harney Peak Granite |
| Associated type: | Pegmatite,Granite |
| Alteration processes: | Air Staining And Mineral Staining |
| MRDS | SD02545 |
| DEP | 10055792 |
| Reference | {Deposit:: USBM INFO CIRC 7707, P. 74-75}{Deposit:: USGS PP 247, P. 141}{Production:: USBM INFO CIRC 7707, P. 75} |
| Reporter | Barari, Rachel A. |