| Lat / long: | 46.87071, -110.34583 |
| Primary: | Sapphire |
| Operation type: | Underground |
| Development status: | Producer |
| MAS | 300450149 |
| DEP | 10232490 |
| Reference | {Deposit:: MONTANA DEPT. OF STATE LANDS. ABANDONED HARDROCK MINES}{Deposit:: PRIORITY SITES, SUMMARY REPORT, MARCH 1994, P. 5-120.}{Deposit:: U.S. BUREAU OF MINES, 1994, DIRECTORY OF PRINCIPAL U.S.}{Deposit:: GEMSTONE PRODUCERS IN 1993; U.S. BUREAU OF MINES MINERAL}{Deposit:: INDUSTRY SURVEYS, P. 32.} |
| Reporter | Lowe, Nathan T. |