| Lat / long: | 39.35098, -123.17831 |
| Primary: | Manganese |
| Ore: | Psilomelane, Pyrolusite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host rock: | Franciscan Complex |
| Host type: | Chert |
| MRDS | M010034 |
| DEP | 10109251 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEOLOGY, V. 49, NO. 4, OCT., 1953, PP. 362-3, 384}{Deposit:: REPORT OF STATE MINERALOGIST 25, 1925, P. 463}{Deposit:: D.O.M. BULL. 152 1950 P. 112}{Deposit:: D.O.M. BULL. 125 1943 P. 133} |
| Reporter | Gere, W., Killman, K.; Albers, J. |