| Lat / long: | 37.78992, -120.18738 |
| Primary: | Manganese |
| Ore: | Psilomelane, Pyrolusite, Rhodonite, Spessartite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| MRDS | W025921 |
| DEP | 10111217 |
| Reference | {Deposit:: D.O.M. BULL. 152 1950 PP. 346 - 347}{Deposit:: D.O.M. BULL. 125 1943 PP. 208 , 66 , 91} |
| Reporter | Killman, K.; Albers, J. |