| Lat / long: | 37.50158, -121.61825 |
| Primary: | Manganese |
| Ore: | Rhodochrosite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host rock: | Franciscan Complex |
| Host type: | Sandstone,Chert |
| MRDS | M004679 |
| DEP | 10027978 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEOL. V. 46, NO.2, P.340, PL. 58}{Deposit:: DOM BULL. 125, P.101}{Deposit:: BULL. 152, P.26}{Deposit:: BULL. 140 , P. 66 , PL. 1} |
| Reporter | Von Dohlen, E.; Albers, J., Gere, W. |