| Lat / long: | 38.67432, -123.00997 |
| Primary: | Manganese |
| Ore: | Psilomelane, Pyrolusite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host type: | Shale,Chert |
| MRDS | M020241 |
| DEP | 10109395 |
| Reference | {Deposit:: D.O.M. BULL. 152 1950 P. 283}{Deposit:: D.O.M. BULL. 125 1943 P. 186} |
| Reporter | Killman, K.; Albers, J., Mosier, Dan, Oland, G. P. (Orris, Greta J.), Mason, George |