Michigan · Houghton County
Past Producer

Franklin Junior Copper Mines

Houghton County, Michigan, United States
Copper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
Commodity typeM
Economic & production
Development statusPast Producer
Identification
Deposit ID10243284
RegionNA
Data scoreD
Coordinates47.18, -88.52675
References
VAN HISE & LEITH 1911 US GEOL SUR MONOGRAPH 52, P578, MAP49IRVING RD 1883 US GEOL SUR MONOGRAPH 5, P187