| Lat / long: | 43.75556, -103.56556 |
| Tertiary: | Tantalum, Niobium (Columbium) |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MAS | 460330013 |
| DEP | 10153438 |
| Reference | {Deposit:: GUITERAS,J.R. MINING OF FELDSPAR & ASSOCIATED MIN.IN THE SOU}{Deposit:: BLK HILLS OF S.D., BUMINES IC 7112, 1940, P59-60.}{Deposit:: BUMINES, REGION V, BLK HILLS MIN. ATLAS: PART 2, IC 7707,19} |
| Reporter | South Dakota School of Mines |