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Supreme Court affirms block of key PolyMet mine permit

by Steve Karnowski
| April 29, 2021 12:03 AM

MINNEAPOLIS (AP) — The Minnesota Supreme Court on Wednesday affirmed a lower court's reversal of a critical mining permit for the proposed PolyMet copper-nickel mine in northeastern Minnesota, handing environmentalists a victory in the long-running battle over the $1 billion project, though the company also declared a win.

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