| Lat / long: | 37.92879, -122.43077 |
| Primary: | Manganese |
| Ore: | Mineral Paint, Psilomelane |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host rock: | Franciscan Complex |
| Host type: | Shale,Chert |
| MRDS | M007243 |
| DEP | 10029596 |
| Reference | {Deposit:: CALIF. JOUR. VOL. 47, NO. 4, OCT. 1951, P. 575; V. 54, NO. 4, OCT. 1958, P.529, 573.}{Deposit:: D.O.M. BULL. 152 1950 P. 50} |
| Reporter | Gere, W., Von Dohlen, E.; Albers, J. |