Operation profile
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Published sources
Evidence at a glance
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U. S. Steel Minnesota Ore Operations official website
U. S. Steel Minnesota Ore Operations is part of United States Steel Corporation. U. S. Steel's official locations page identifies Minnesota Ore Operations on the Mesabi Iron Range, lists Minntac in Mountain Iron and Keetac in Keewatin, Minnesota, and states that both facilities mine taconite and process it into iron ore pellets for steelmaking.
Open source