| Lat / long: | 37.37302, -121.44772 |
| Tertiary: | Manganese |
| Discovery year: | 1939 |
| Operation type: | Surface |
| Development status: | Past Producer |
| MRDS | W025092 |
| MAS | 60850008 |
| DEP | 10213928 |
| Reference | {Deposit:: MAS LISTING}{Deposit:: BULL.152,PP.247-248,U.S.BUREAU OF MINESR.I. 5254.} |
| Reporter | Western Field Operations Center (WFOC) |