| Lat / long: | 39.04349, -120.88133 |
| Tertiary: | Manganese |
| Discovery year: | 1917 |
| Operation type: | Surface |
| Development status: | Past Producer |
| MRDS | M020076 |
| MAS | 60610010 |
| DEP | 10213008 |
| Reference | {Deposit:: DOM BULL 152,P 171-2;DOM BULL 125,P 150;DOM BULL 76,P 52;DOM}{Deposit:: PL 1;USGS FOLIO 66;DOM 23RD REPT ST MIN P 283} |
| Reporter | Western Field Operations Center (WFOC) |