| Lat / long: | 43.9019, -103.435 |
| Primary: | Beryllium, Mica, Feldspar |
| Ore: | Beryl, Muscovite |
| Orebody form: | LENTICULAR |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Pegmatite |
| Associated rock: | Pegmatite |
| Associated type: | Pegmatite |
| MRDS | D004777 |
| DEP | 10101554 |
| 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. |