| Lat / long: | 37.61435, -121.57714 |
| Primary: | Manganese |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host rock: | Franciscan Complex |
| Host type: | Chert |
| MRDS | M004684 |
| DEP | 10109085 |
| Reference | DOM BULL. 152, P.22; 125, P.10 |
| Reporter | Gere, W., Killman, K.; Albers, J. |