| Lat / long: | 37.42492, -121.48992 |
| Tertiary: | Manganese |
| Discovery year: | 1917 |
| Operation type: | Unknown |
| Development status: | Past Producer |
| MRDS | M020182 |
| MAS | 60850004 |
| DEP | 10164928 |
| Reference | CALIF. JOUR.MINES & GEO. V. 50,NO.2, APR.1954, P.411 |
| Reporter | Western Field Operations Center (WFOC) |