| Lat / long: | 43.67635, -103.63306 |
| Primary: | Beryllium |
| Tertiary: | Feldspar, Mica |
| Ore: | Beryl, Feldspar, Mica |
| Gangue: | Quartz, Tourmaline |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Schist |
| Associated type: | Pegmatite |
| MRDS | SD02511 |
| DEP | 10055766 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 15}{Production:: USBM INFO CIRC 7707, P. 158} |
| Reporter | Barari, Rachel A. |