Republican control in Washington could open the way for copper nickel mining efforts near the Boundary Waters Canoe Area ...

The bill would also return two key federal mineral leases to Twin Metals Minnesota, the company vying to build an underground ...

But critics say the copper, nickel ... and meet the various regulatory standards required for Minnesota’s first copper-nickel mine.” Critics said Monday that PolyMet is proposing “to ...

Environmental groups launched a campaign Wednesday to raise public awareness ahead of the summer vacation season about plans for copper-nickel mining in northeastern Minnesota.

This includes the “Duluth Complex” in Minnesota, which stretches from the Canadian border south to Duluth, and which may contain the world's largest untapped copper deposit — an estimated 4 billion ...

The Ely Echo weekly newspaper and its companion pieces - North Country SAVER and North Country ANGLER - provide insight into ...

Talon Metals on Wednesday submitted its plan for an underground nickel and copper mine in Aitkin County to Minnesota regulators, launching the environmental review of a project that could become a ...

The groups had asked the court to halt construction and operations at PolyMet's 588-acre open-pit copper and nickel mine near Hoyt Lakes, Minnesota. One of the plaintiffs was the environmental group ...

And it's hard not to be excited about that," said Julie Lucas with Mining Minnesota ... "It's the biggest untapped copper-nickel find in the world." However, environmental activists say the ...

This includes the “Duluth Complex” in Minnesota, which stretches from the Canadian border south to Duluth, and which may contain the world's largest untapped copper deposit — an estimated 4 billion ...