The Minnesota Department of Natural Resources said Thursday it has issued permits for Poly Met Mining, Inc.’s proposed NorthMet mining project in northeast Minnesota. The announcement was ...

Any new heavy-metals mines in northeastern Minnesota would be in addition to the many open-pit iron-ore and taconite mines in the region, which have already left behind a legacy of toxic pollution and ...

Proposed mines in northern Minnesota face an easier path with the ... and Teck American named NewRange Copper Nickel. The ...

Any new heavy-metals mines in northeastern Minnesota would be in addition to the many open-pit iron-ore and taconite mines in the region, which have already left behind a legacy of toxic pollution and ...