| Lat / long: | 38.38179, -122.50526 |
| Primary: | Flagstone |
| Operation type: | Surface |
| Development status: | Past Producer |
| MRDS | W025838 |
| MAS | 60970024 |
| DEP | 10141270 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEO. V.46, NO1, JAN. 1950, P.114.}{Deposit:: CONSISTS OF SEVEAL QUARRIES IN THAT VICINITY.} |
| Reporter | Western Field Operations Center (WFOC) |