| Lat / long: | 45.7202, -111.93776 |
| Primary: | Vermiculite |
| Operation type: | Underground |
| Development status: | Unknown |
| MRDS | W013392 |
| MAS | 300570540 |
| DEP | 10148521 |
| Reference | {Deposit:: MBM & G MEM 20, 1940, P67}{Deposit:: MBM & G MEM 31, 1950, P65}{Deposit:: 8MI S OF JEFFERSON} |
| Reporter | Western Field Operations Center (WFOC) |