Steve Karnowski

Associated Press
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A former iron ore processing plant near Hoyt Lakes, Minn., that would become part of a proposed PolyMet copper-nickel mine, is pictured on Feb. 10, 2016. The proposed NewRange Copper Nickel mine in northeastern Minnesota suffered a fresh setback Tuesday, Nov. 28, 2023, when an administrative law judge recommended that state regulators should not reissue a crucial permit for the long-delayed project.
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In this Oct. 4, 2011, file photo, a core sample drilled from underground rock near Ely, Minn., shows a band of shiny minerals containing copper, nickel and precious metals, center, that Twin Metals Minnesota LLC, hopes to mine near the Boundary Waters Canoe Area Wilderness in northeastern Minnesota.
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This Feb. 10, 2016 file photo shows a former iron ore processing plant near Hoyt Lakes, Minn., that would become part of a proposed PolyMet copper-nickel mine. The Minnesota Court of Appeals has rejected two of the most important permits for the planned PolyMet copper-nickel mine in northeastern Minnesota in a major victory for environmentalists. A three-judge panel ruled Monday, Jan. 13, 2019, that the state Department of Natural Resources erred when it declined to order a proceeding known as a 'contested case hearing' to gather more information on the potential environmental impacts of the project.
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In this Oct. 4, 2011, file photo, a core sample drilled from underground rock near Ely, Minn., shows a band of shiny minerals containing copper, nickel and precious metals, center, that Twin Metals Minnesota LLC, hopes to mine near the Boundary Waters Canoe Area Wilderness in northeastern Minnesota. Twin Metals Minnesota has formally submitted a plan to regulators for the underground copper-nickel mine. The filing launches what's expected to be a lengthy environmental review and permitting process for what would be Minnesota's second copper-nickel mine.
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