| Lat / long: | 43.74718, -103.515 |
| Primary: | Feldspar |
| Secondary: | Mica, Beryllium |
| Ore: | Beryl, Feldspar, Mica |
| Gangue: | Quartz |
| Orebody form: | IRREGULAR |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Schist And Quartzite |
| Host type: | Quartzite |
| MRDS | SD02160 |
| DEP | 10055574 |
| Reference | {Deposit:: US BUREAU OF MINES, 1955 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Production:: US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688} |
| Reporter | Barari, Rachel A. |