| Lat / long: | 45.57823, -107.90603 |
| Primary: | Bentonite |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MAS | 300030044 |
| DEP | 10147706 |
| Reference | {Deposit:: USGS BULL. 1023, 1956, P67 AND PLATE 1 (NORTH HALF)}{Deposit:: USGS CIRC. 150, 1952, TABLE 1}{Deposit:: SAMPLE LOCATION} |
| Reporter | Western Field Operations Center (WFOC) |