| Lat / long: | 37.60435, -121.63881 |
| Primary: | Manganese |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host rock: | Franciscan Complex |
| Host type: | Chert |
| MRDS | M004660 |
| DEP | 10027965 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEOL. V. 46, NO.2, APRIL. 1950, P.340, PL. 58}{Deposit:: DOM BULL. 76, P.27}{Deposit:: BULL. 125, P.100} |
| Reporter | Gere, W., Von Dohlen, E.; Albers, J. |