| Lat / long: | 37.61102, -121.50102 |
| Primary: | Manganese |
| Ore: | Bementite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host rock: | Franciscan Complex |
| Host type: | Chert |
| MRDS | M020144 |
| DEP | 10109387 |
| Reference | {Deposit:: D.O.M. BULL. 152 1950 P. 222}{Deposit:: D.O.M. BULL. 125 1943 P. 166} |
| Reporter | Killman, K.; Albers, J. |