| Lat / long: | 37.67518, -122.43855 |
| Primary: | Stone, Crushed/Broken |
| Operation type: | Unknown |
| Deposit type: | Sedimentary |
| Production size: | Yes |
| Development status: | Producer |
| MRDS | W025058 |
| DEP | 10111026 |
| Reference | CALIF. JOUR. MINES & GEO. V. 51, NO.4, OCT. 1955, P.452, PL. 5 |
| Reporter | Unknown |