California · Madera County
Past Producer
Gertrude M.
Madera County, California, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold
Tertiary
Silver
Commodity type
M
Economic & production
Development status
Past Producer
Identification
Deposit ID
10285178
Alternate names
Gertrude Mine
Region
NA
Data score
D
Coordinates
37.30773, -119.73597
References
U.S. BUREAU OF MINES RECORDS (WFOC).