ST. PAUL, Minn. (AP) — PolyMet Mining Inc. said Thursday it will ask the Minnesota Supreme Court to overturn a ruling that canceled three permits needed...
ST. PAUL, Minn. (AP) — The Minnesota Court of Appeals on Monday rejected some of the most important permits for the planned PolyMet copper-nickel mine in...
ST. PAUL, Minn. (AP) — Twin Metals Minnesota formally submitted a plan to regulators Wednesday for an underground copper-nickel mine near Ely in northeastern Minnesota, a...
