| Lat / long: | 45.53321, -114.31761 |
| Primary: | Niobium (Columbium), Tantalum |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| MRDS | D001862 |
| DEP | 10009160 |
| Reference | CROWLEY, F. A., 1960, COLUMBIUM - RARE - EARTH DEPOSITS, SOUTHERN RAVALLI COUNTY, MONTANA, MONTANA BUREAU OF MINES AND GEOL. BULL. 1 |
| Reporter | Parker, Raymond L. |