Mine detail: Monongahela Mine

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Location: Iron County, Michigan, United States, North America
Lat / long: 46.0817, -88.36724
dep_id: 10121830
mas_id: 260710067
Commodity type: metallic
Trace mineral: Iron
Operation type: Underground
Development status: Past Producer
Reporter: Eastern Field Operations Center (EFOC)
Year first produced: 1901
disc_yr: 1901
References:
  • Deposit:: LAKE SUPERIOR IRON ORES, MINING DIRECTORY AND STATISTICAL RE
  • Deposit:: PUBLISHED BY THE LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, P
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