| Lat / long: | 37.48021, -121.57772 |
| Tertiary: | Manganese |
| Discovery year: | 1942 |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MRDS | W025108 |
| MAS | 60850038 |
| DEP | 10189730 |
| Reference | {Deposit:: CALIF. JOUR MINES & GEO. V.50,NO.2APR.1954, P.416,D.O.M. BUL}{Deposit:: BULL. 152, P.263.} |
| Reporter | Western Field Operations Center (WFOC) |