Duluth News Tribune
John Myers

PolyMet Mining, Inc. on Tuesday submitted another in a series of applications for state and federal permits needed to build a proposed copper-nickel mine and processing center on the Iron Range.

The Minnesota Pollution Control Agency said it has received the company’s application for so-called 401-certification that involves water and wetlands that will be impacted by the project. The applications also includes the company’s plan to replace wetlands destroyed.

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