Michigan · Houghton County
Past Producer
Concord & Douglas Copper Mine
Houghton County, Michigan, United States
Copper
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USGS source ↗
Commodities
Primary
Copper
Commodity type
M
Economic & production
Development status
Past Producer
Identification
Deposit ID
10158606
Region
NA
Data score
D
Coordinates
47.1394, -88.54005
References
IRVING RD 1883 US GEOL SUR MONOGRAPH 5, MAPXVII