Mine detail: Gratiot Copper Mine

Previously called ''

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Location

Lat / long:

47.3147, -88.34504

Resource(M)

Primary:	Copper
Tertiary:	Silver

Production

Operation type:	Underground
Development status:	Past Producer

Geology

References

MAS	260830074
DEP	10267743
Reference	VAN HISE & LEITH 1911 US GEOL SUR MONOGRAPH 52, P575, MAP49
Reporter	Eastern Field Operations Center (EFOC)