| Lat / long: | 43.86806, -103.59556 |
| Tertiary: | Niobium (Columbium), Tantalum |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MAS | 460330028 |
| DEP | 10128994 |
| Reference | {Deposit:: PAGE LINCOLN R ET AL PEGMATITE INVESTIGATIONS 1942-43 BLACK}{Deposit:: DAKOTA U S GEO SURV PROF PAR 2471953 PP58 201-203 P139.}{Deposit:: U S BUMINES STAFF REGION V BLACK HILLS MINERAL ATLAS S DAKOT}{Deposit:: 2 I C 7707 1955 P60} |
| Reporter | South Dakota School of Mines |