| Lat / long: | 38.55488, -122.73274 |
| Primary: | Diatomite |
| Operation type: | Unknown |
| Deposit type: | Sedimentary |
| Production size: | Yes |
| Development status: | Producer |
| MRDS | W025865 |
| DEP | 10111205 |
| Reference | CALIF. JOUR. MINES & GEO. V.46, NO1, JAN. 1950, P.94 |
| Reporter | Unknown |