| Lat / long: | 43.76636, -103.67867 |
| Tertiary: | Mica, Niobium (Columbium), Tantalum |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MAS | 460330024 |
| DEP | 10177694 |
| Reference | {Deposit:: GUITERAS,J.R.MINING OF FELDSPAR &ASSOCIATED MIN.IN THE S.B.H}{Deposit:: . BU.MINES 1C 7112,1940.P60}{Deposit:: U.S.BU.MINES STAFF.REGION V. B.H.MIN.ATLAS,S.D:PART II,1C 77}{Deposit:: P 89.}{Deposit:: PAGE LINCOLN R AND OTHERS PEGMATITE INVESTIGATIONS 1942-45 B}{Deposit:: LLS S DAKOTA USGS PROF PAPER 247 1953 PP 58 131-33 P123} |
| Reporter | South Dakota School of Mines |