| Lat / long: | 43.8244, -103.65807 |
| Primary: | Feldspar, Lithium, Mica, Tantalum |
| Secondary: | Beryllium |
| Ore: | Amblygonite, Beryl, Feldspar, Muscovite |
| Gangue: | Quartz |
| Orebody form: | KNOB |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Pegmatite |
| Associated rock: | Pegmatite |
| Associated type: | Pegmatite |
| MRDS | D004749 |
| DEP | 10101549 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 770}{Production:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707} |
| Reporter | Barari, Rachel A. |