| Lat / long: | 45.77351, -112.1217 |
| Primary: | Iron, Manganese |
| Ore: | Magnetite, Psilomelane, Pyrolusite |
| Gangue: | Iron |
| Operation type: | Unknown |
| Deposit type: | Stratiform |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Wolsey Shale |
| Host type: | Shale |
| MRDS | D005566 |
| DEP | 10011227 |
| Reference | {Deposit:: PARDEE, J.T., 1919, SOME MANGANESE DEPOSITS IN MADISON COUNTY, MONTANA: USGS BULL. 690-C, P. 131-143.}{Deposit:: DMEA FILE 1566X}{Production:: 18 ST OF 19.2% MN ORE SHIPPED IN WW2 BY JACKMAN-OGLE.} |
| Reporter | Loen, Jeffrey S. (Pearson, Robert C.) |