| Lat / long: | 43.67746, -103.59417 |
| Primary: | Feldspar, Beryllium, Mica |
| Ore: | Beryl, Feldspar, Mica |
| Gangue: | Quartz |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Schist |
| Associated type: | Pegmatite |
| MRDS | SD02537 |
| DEP | 10099362 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 16}{Production:: USBM INFO CIRC 7707, P. 167} |
| Reporter | Barari, Rachel A. |