Michigan · Houghton County
Past Producer
Challenge 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
10218257
Region
NA
Data score
D
Coordinates
46.99, -88.74926
References
VAN HISE & LEITH 1911 US GEOL SUR MONOGRAPH 52, MAP49