Tag Archives: copper mining

DEQ Issues Record of Decision on the Black Butte Copper Project

Helena, MT April 9, 2020 MT. Department of Environmental Quality The Montana Department of Environmental Quality has issued its Record of Decision for the permit applications submitted by Tintina Montana, Inc. for the Black Butte Copper Project. Tintina proposes to construct, operate and reclaim a new underground copper mine to be located approximately 15 miles

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