| Lat / long: | 37.51213, -121.57796 |
| Primary: | Manganese |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host rock: | Franciscan Complex |
| Host type: | Chert |
| MRDS | M004925 |
| DEP | 10109102 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEOL. V. 46, NO. 2, P.340, PL. 58}{Deposit:: DOM BULL. 152, P.23}{Deposit:: BULL. 125, P.100} |
| Reporter | Gere, W., Von Dohlen, E.; Albers, J. |