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Geology of Minnesota / Economic geology / Iron mining / Mesabi Range / Taconite / Cliffs Natural Resources / Iron ore / Iron mining in the United States / Natural Resources Research Institute / Iron Range / Red Iron / HullRustMahoning Open Pit Iron Mine


MarchExplore Minnesota: IRON ORE Minnesota’s iron ore operations have a production capacity of about 40 million tons of high-grade iron ore annually, which is approximately 75 percent of total U.S. iron ore
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Document Date: 2016-06-20 07:41:35


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