| Lat / long: | 38.76128, -122.32546 |
| Tertiary: | Manganese |
| Discovery year: | 1918 |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MAS | 60550001 |
| DEP | 10236983 |
| Reference | {Deposit:: CALIF BULL 125 1943 P 145; BULL 152 1950 P 154-6}{Deposit:: FRANCISCAN TYPE MANGANIFEROUS IRON ORE} |
| Reporter | Western Field Operations Center (WFOC) |