| Lat / long: | 38.86268, -122.93668 |
| Tertiary: | Manganese |
| Discovery year: | 1918 |
| Operation type: | Surface-Underground |
| Development status: | Prospect |
| MRDS | M009975 |
| MAS | 60450014 |
| DEP | 10261813 |
| Reference | {Deposit:: CALIF JOUR MINES AND GEOL V49 NO4 OCT 1953 P389}{Deposit:: ALSO IN NW 1/4 OF SEC 25} |
| Reporter | Western Field Operations Center (WFOC) |