Cleveland-Cliffs, the largest player in mining on Minnesota’s Iron Range, is exploring whether the company should shift the ...

Northeastern Minnesota's earth is full of in-demand minerals and metals. Taconite, copper, nickel, cobalt, gold, platinum group metals, and more.

The taconite mining and steelmaking company said there are signs of rare earth mineralization at two sites it controls.

Taconite plants on Minnesota’s Iron Range will now get two extra years to comply with a rule that would have forced them to cut how much mercury they release into the air. A proclamation signed by ...

VIRGINIA, Minn. — It was a good year for taconite mining on northern Minnesota’s Iron Range. Production levels in 2010 were just below those during the peak year of 2008 and more than double those ...

An iron mining and steel production company said it is eyeing the potential for mining rare earth elements in northern ...