| Lat / long: | 38.53961, -122.39412 |
| Primary: | Manganese |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host rock: | Franciscan Complex |
| Host type: | Shale,Chert |
| MRDS | M010747 |
| DEP | 10031636 |
| Reference | {Deposit:: CALIF. BULL. 125, 1943, P. 146}{Deposit:: CALIF. BULL. 76, 1918, P. 51}{Deposit:: REPT. 25, 1929, P. 219; ADD. REF.: BULL. 152, 1950, PP. 158-9} |
| Reporter | Gere, W., Killman, K.; Albers, J. |