Its water discharge permit was sent back to the Minnesota Pollution Control Agency for more review. The overall permit to mine got sent back to the state Department of Natural Resources because of ...

Last year, the U.S. Army Corps of Engineers revoked the project’s federal discharge permit because it said it did not ensure compliance with the standards of the downstream Fond du Lac Band.

MINNEAPOLIS (AP) — 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 ...

MINNEAPOLIS (AP) — 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 ...

MINNEAPOLIS (AP) — 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 ...

MINNEAPOLIS (AP) — 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 ...

MINNEAPOLIS (AP) — 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 ...

MINNEAPOLIS (AP) — 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 ...

MINNEAPOLIS (AP) — 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 ...

MINNEAPOLIS (AP) — 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 ...