| Lat / long: | 45.88073, -112.29894 |
| Primary: | Silver, Gold |
| Secondary: | Copper |
| Ore: | Chalcopyrite, Galena |
| Gangue: | Pyrite |
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1945 |
| Host type: | Diorite |
| Associated rock: | Diorite |
| Associated type: | Diorite |
| MRDS | DC10767 |
| DEP | 10101993 |
| Reference | {Deposit:: ROBY, R.N., ACKERMAN, W.C., FULKERSON, F.B., AND CROWLEY, F.A., 1960, MINE AND MINERAL DEPOSITS, JEFFERSON COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULLETIN 16, 122 P.}{Deposit:: CONSV. DIV. COMP. DATE, 12-20-1961}{Deposit:: 1960 RECON ROBY, MONT. BUREAU OF MINES AND GEOL. BULL. 16}{Production:: MBMG BULL. 16} |
| Reporter | Unknown, Loen, Jeffrey S. (Pearson, Robert C.) |