| Lat / long: | 39.80766, -122.998 |
| Tertiary: | Manganese |
| Discovery year: | 1918 |
| Operation type: | Underground |
| Development status: | Prospect |
| MRDS | M009976 |
| MAS | 60450044 |
| DEP | 10116239 |
| Reference | CALIF JOUR MINES AND GEOL V49 NO4 OCT 1953 P387 |
| Reporter | Western Field Operations Center (WFOC) |