| Lat / long: | 39.48486, -123.1847 |
| Tertiary: | Manganese |
| Discovery year: | 1917 |
| Operation type: | Surface-Underground |
| Development status: | Prospect |
| MRDS | M010046 |
| MAS | 60450041 |
| DEP | 10116159 |
| Reference | CALIF JOUR MINES AND GEOL V49 NO4 OCT 1953 P386 |
| Reporter | Western Field Operations Center (WFOC) |