| Lat / long: | 37.6574, -122.39299 |
| Primary: | Stone, Crushed/Broken |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Producer |
| MRDS | W025060 |
| DEP | 10111027 |
| Reference | CALIF. JOUR. MINES & GEO. V. 51, NO.4, OCT. 1955, P.455, PL. 5 |
| Reporter | Unknown |