| Lat / long: | 38.67428, -122.45216 |
| Tertiary: | Manganese |
| Discovery year: | 1918 |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MAS | 60550006 |
| DEP | 10188868 |
| Reference | CALIF BULL 125 1943 P 146; BULL 152 1950 P 158 |
| Reporter | Western Field Operations Center (WFOC) |