| Lat / long: | 37.47162, -121.52072 |
| Tertiary: | Manganese |
| Discovery year: | 1918 |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MRDS | W025106 |
| MAS | 60850014 |
| DEP | 10213355 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEO. V. 50,NO.2, APR. 1954, P.412}{Deposit:: BULL. 152, PP.246-247; U.S. BUREAU OF MINES R.I. 5254.} |
| Reporter | Western Field Operations Center (WFOC) |