| Lat / long: | 37.60931, -121.59493 |
| Tertiary: | Chromium, Iron |
| Other material: | Chromite, Olivine, Pyroxene, Serpentine, Uvarovite |
| Discovery year: | 1882 |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| First production started: | 1885 |
| MRDS | M004670 |
| MAS | 60010026 |
| DEP | 10138157 |
| Reference | {Deposit:: USGS BULL 430 1909 CHROMITE IN CALIF PP173-174}{Deposit:: CDM AND G 17TH REPT OF STATE MINER.1921 P21}{Deposit:: CDM AND G BULL 134 PT2 CHAPT 2 1953 ALAMEDA CO P.52}{Deposit:: CAL STATE MIN BUR 8TH REPORT 1888PAGE 32} |
| Reporter | Unknown |