Developers of stalled Minnesota copper-nickel mine plan studies that may lead to significant changes

The developers of a long-delayed copper-nickel mining project in northeastern Minnesota announced Wednesday that they plan to conduct a series of studies over the next year on potential ways to ...
Rapid City Journal

Divisive Minnesota mine wins permits, but faces challenges

MINNEAPOLIS | Minnesota regulators on Thursday granted key permits to the long-planned PolyMet copper-mining project that's opposed by environmentalists who fear it could someday foul waters, ...