| Lat / long: | 38.43161, -120.56661 |
| Tertiary: | Manganese |
| Discovery year: | 1916 |
| Operation type: | Unknown |
| Development status: | Past Producer |
| MRDS | M005266 |
| MAS | 60050011 |
| DEP | 10235464 |
| Reference | {Deposit:: CAL JOUR MINES AND GEOL V50 NO 1 1954 P 269}{Deposit:: DOM BULL 152 P 33} |
| Reporter | Western Field Operations Center (WFOC) |