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Butte mining company Montana Resources now has the go-ahead from state officials to expand its waste storage facility northeast of town and the Berkeley…
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Copper mining company Montana Resources is now one step away from receiving approval from state regulators to expand its permanent mine tailings storage…
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State officials say a proposed expansion to Montana Resources’ tailings impoundment in Butte next to its active copper mine there won’t impact…
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The Montana Department of Environmental Quality wants public feedback on a mining company’s year old plan to expand the Yankee Doodle Tailings Impoundment…