| Lat / long: | 43.42184, -107.9843 |
| Primary: | Beryllium, Feldspar, Mica, Niobium (Columbium) |
| Secondary: | Tantalum |
| Operation type: | Underground |
| Development status: | Past Producer |
| MAS | 560131025 |
| DEP | 10157451 |
| Reference | {Deposit:: ALSO LOCATED IN SEC. 28 T40N, R93W}{Deposit:: PRODUCTION FOR GLASS AND CERAMICS. DEPOSIT IN PEGMATITE.}{Deposit:: ONE OF SEVERAL LOCATIONS UNDER SEVERAL LOCATIONS}{Deposit:: WYO INDUSTRIAL MINS GUIDEBOOK, 1975, WYO GEOL SURVEY OPEN FI}{Deposit:: LES P 31} |
| Reporter | South Dakota School of Mines |