| Lat / long: | 39.90986, -123.0708 |
| Tertiary: | Manganese |
| Discovery year: | 1917 |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MRDS | M010015 |
| MAS | 60450028 |
| DEP | 10237260 |
| Reference | CALIF JOUR MINES AND GEOL V49 NO4 OCT 1953 P384 |
| Reporter | Western Field Operations Center (WFOC) |