Historic gold producers in Napa County (USGS)
USGS records 8 historic gold producers in Napa County: 4 past producers and 4 listed as producers or plants. For 1 of them USGS gives an output size (1 small).
Show the 8 sites
| Site | USGS status | Output | Commodities | Years |
|---|---|---|---|---|
| Palisade | Past producer | small | Silver, Gold, Lead, Copper, Mercury | n/a |
| Calistoga | Producer | n/a | Silver, Gold | n/a |
| Palisade Mine Grigsby | Producer | n/a | Silver, Gold | n/a |
| Silverado Mine Calistoga Mount St. Helena | Producer | n/a | Silver, Gold | n/a |
| Mc Laughlin Mine | Plant | n/a | Gold, Silver | from 1985 |
| Palisade Mine | Past producer | n/a | Silver, Gold, Lead, Copper | n/a |
| Silverado Mine | Past producer | n/a | Silver, Gold | n/a |
| Silverado-Palisade Deposit | Past producer | n/a | Gold, Silver, Lead, Copper, Arsenic, Antimony, Zinc, Mercury | found 1858 |
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.
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