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Dan Kraker

What's next for PolyMet mine?

Aerial view
In this undated aerial file photo, the LTV Steel Mining Company, which shut its doors Jan. 3, 2001, is shown near Hoyt Lakes, Minn. The PolyMet Mining Corp. wants to use the facility for its copper-nickel processing plant.
Mark Sauer | AP

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Minnesota regulators are closer than ever to approving the state's first copper-nickel mine. Last Friday, the Department of Natural Resources released PolyMet's final environmental review.

The document says that PolyMet's plans to control pollution from the site are strong enough to protect the environment.

MPR News' Dan Kraker spoke to Matt Sepic about what this means moving forward.