Historic gold producers in Contra Costa County (USGS)
USGS records 6 historic gold producers in Contra Costa County: 5 past producers and 1 listed as a producer or plant. For 1 of them USGS gives an output size (1 small).
Show the 6 sites
| Site | USGS status | Output | Commodities | Years |
|---|---|---|---|---|
| Mount Zion | Past producer | small | Copper, Gold, Silver | n/a |
| La Felis Claim | Producer | n/a | Gold, Silver | n/a |
| La Felis Claim | Past producer | n/a | Gold, Silver | n/a |
| Mount. Zion Copper Co. Mine | Past producer | n/a | Copper, Gold, Silver | n/a |
| San Pedro Claim | Past producer | n/a | Gold, Silver | n/a |
| White Diamond Claim | Past producer | n/a | Silver, Gold | n/a |
Source: USGS Mineral Resources Data System (retrieved 2026-10-13). The database was last updated around 2011, positions can be approximate and "producer" does not mean a mine is operating today. Sites already matched to an MSHA record are shown in the MSHA tables.
More counties in California
Nevada CountySan Bernardino CountyMariposa CountySierra CountyPlacer CountyKern CountyShasta CountyAmador CountyImperial CountyCalaveras CountySiskiyou CountyEl Dorado County