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Mine: Hennepin Mine, Ironwood, MI
Began → Hennepin Mine → Became
Operated for:
From:
Owned by:
Produced: Iron Ore
Method:
Railroad connection:
Stamp Mill/Pellet Plant:
Until:
Lifetime Production:
Notes
Hennepin Mine is reported to have been located in Gogebic County but the exact location has not been identified.