Associated Press
Steve Karnowski

State pollution regulators on Thursday issued the last major state permits sought by the developers of the planned PolyMet copper-nickel mine in northeastern Minnesota, leaving only one major federal permit still pending.

PolyMet would be the state’s first copper-nickel mine. Thursday’s announcement follows a decision by the Department of Natural Resources last month to grant PolyMet several major permits, including the key one — a permit to mine.

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