| Lat / long: | 39.04429, -120.87493 |
| Tertiary: | Manganese |
| Discovery year: | 1917 |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MRDS | W024373 |
| MAS | 60610006 |
| DEP | 10115601 |
| Reference | {Deposit:: DOM BULL 152,P 169-170;BULL 125,P 149;BULL 76,P 52;USGS FOLI}{Deposit:: DOM SR-67,PL 1;SO PAC CO,MIN FOR IND,N CA,V 2,P 59-60} |
| Reporter | Western Field Operations Center (WFOC) |