| Lat / long: | 37.46881, -121.53992 |
| Tertiary: | Manganese |
| Discovery year: | 1918 |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MRDS | M020179 |
| MAS | 60850002 |
| DEP | 10237546 |
| Reference | {Deposit:: CALIF. JOUR.MINES & GEO. V. 50,NO.2, APR.1954, P.411. D.O.M.}{Deposit:: BULL. 152,P.246.} |
| Reporter | Western Field Operations Center (WFOC) |