| Lat / long: | 43.63436, -103.54446 |
| Tertiary: | Tantalum, Beryllium, Mica, Niobium (Columbium) |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MAS | 460330021 |
| DEP | 10202168 |
| Reference | {Deposit:: PAGE LINCOLN R ET AL PEGMATITE INVESTIGATIONS 1942-43 BLACK}{Deposit:: DAKOTA U.S G S PROF PAPER 247 1953 P 98}{Deposit:: S BUMINES STAFF REGION V BLACK HILLS MINERAL ATLAS SOUTH D}{Deposit:: PART:2 I C 7707 1955 P 186} |
| Reporter | South Dakota School of Mines |