| Lat / long: | 39.77906, -123.38111 |
| Tertiary: | Manganese |
| Discovery year: | 1918 |
| Operation type: | Surface |
| Development status: | Prospect |
| MAS | 60450006 |
| DEP | 10140041 |
| Reference | CALIF JOUR MINES AND GEOL V49 NO4 OCT 1953 P388 |
| Reporter | Western Field Operations Center (WFOC) |