| Lat / long: | 43.40276, -103.40275 |
| Primary: | Flagstone |
| Operation type: | Surface |
| Development status: | Past Producer |
| MAS | 460470060 |
| DEP | 10202589 |
| Reference | {Deposit:: USBM IC 7707 P.203,1955}{Deposit:: LINCOLN FC SDSM BULL 17 P 86 1937} |
| Reporter | Intermountain Field Operations Center (IFOC) |