| Lat / long: | 43.65607, -103.58334 |
| Primary: | Feldspar, Beryllium |
| Secondary: | Tantalum |
| Ore: | Beryl, Feldspar |
| Gangue: | Mica, Triphylite |
| Orebody form: | ELLIPTICAL |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Pegmatite |
| Associated type: | Pegmatite |
| MRDS | SD02538 |
| DEP | 10055785 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 166-167}{Deposit:: AM MIN, VOL 59, P. 48-59.}{Deposit:: ENCYCLOPEDIA OF MINERALS}{Production:: USBM INFO CIRC 7707, P. 166-167; SDGS MR 10, P. 5; SDGS MR 11, P. 5.} |
| Reporter | Barari, Rachel A. |