| Lat / long: | 37.52798, -121.37463 |
| Primary: | Manganese |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host rock: | Franciscan Complex |
| Host type: | Chert |
| MRDS | M020283 |
| DEP | 10109403 |
| Reference | {Deposit:: D.O.M. BULL. 152 1950 P. 298}{Deposit:: D.O.M. BULL. 125 1943 P. 192} |
| Reporter | Killman, K.; Albers, J. |