Historic gold producers in Alameda County (USGS)
USGS records 1 historic gold producer in Alameda County: 1 past producer and 0 listed as producers or plants. For 1 of them USGS gives an output size (1 small).
Show the 1 sites
| Site | USGS status | Output | Commodities | Years |
|---|---|---|---|---|
| Leona Heights | Past producer | small | Copper, Gold, Zinc | found 1891 |
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