The company that wants to mine Northwestern Wisconsin's Penokee Range for iron ore is disputing recent findings of asbestos-like fibers in minerals there. Two weeks after Northland College geoscience ...

SUPERIOR NATIONAL FOREST — When the Biden administration barred new mining activity on 225,000 acres of federal land in the Rainy River Watershed, the decision was aimed at protecting the Boundary ...

1. Taconite iron ore processing is fundamental to the United States’ steel production and manufacturing sectors. The facilities involved in the process supply essential raw materials used to make ...

Northern Minnesota’s lake-strewn hills are Paul Bunyan country. Their open-pit iron mines were originally scooped, as all followers of legend know, to provide suitable shoes for Babe, Bunyan’s Big ...

MINNEAPOLIS — The CEO of Cleveland-Cliffs says an iron ore mine in northern Minnesota will close in a few years if it doesn't get mineral rights from a nearby project that hasn't been completed.

The PolyMet and Teck American joint venture recently launched an $18 million project in Hoyt Lakes, beginning the transformation of an old taconite plant into a copper-nickel operation. NewRange ...

DULUTH -- The price of iron ore has bounced around on the global market in recent months, topping out at a record-high near $200 per ton earlier this year before falling to about $135 in November. But ...

HOYT LAKES, Minn. -- Kim Snell reached down and picked up a chunk of taconite rock, a little bigger than a softball, speckled with flakes of silica that glistened like tiny diamonds in the mid-day sun ...