| Lat / long: | 37.85962, -122.49272 |
| Primary: | Manganese |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| MRDS | M009192 |
| DEP | 10030787 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEOL. V. 51, NO. 3, JULY 1955, P. 262, 282}{Deposit:: DOM BULL. 125, P. 131}{Deposit:: DOM BULL. 152, P. 106} |
| Reporter | Gere, W., Killman, K.; Albers, J. |