| Lat / long: | 38.44429, -122.60246 |
| Primary: | Perlite |
| Operation type: | Surface |
| Development status: | Past Producer |
| MRDS | W025850 |
| MAS | 60970041 |
| DEP | 10141642 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEO. V.46, NO1, JAN. 1950, PP.81-82.}{Deposit:: ALSO FOUND IN SEC. 26.} |
| Reporter | Western Field Operations Center (WFOC) |