Historic gold producers in Middlesex County (USGS)
USGS records 1 historic gold producer in Middlesex County: 1 past producer and 0 listed as producers or plants.
Show the 1 sites
| Site | USGS status | Output | Commodities | Years |
|---|---|---|---|---|
| Governor Winthrops Mine | Past producer | n/a | 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.
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