Any new heavy-metals mines in northeastern Minnesota would be in addition to the many open-pit iron-ore and taconite mines in the region, which have already left behind a legacy of toxic pollution and ...

Any new heavy-metals mines in northeastern Minnesota would be in addition to the many open-pit iron-ore and taconite mines in the region, which have already left behind a legacy of toxic pollution and ...

A controversial $2 billion-plus mining project on Minnesota ... iron in the earth. Towering cranes placed steel on enormous buildings where — if all goes to plan — millions of tons of iron ore ...

The plan is for a $1 billion open-pit ... waste in old iron mine pits in the area, might have advantages. They will also look at whether a conveyor system for transporting ore from the mine ...

For almost 100 years, the Soudan mine in Tower, Minn., yielded the purest iron ore in the country. Now University researchers will mine knowledge ... The study could allow “a new and very exciting ...

A federal judge in Minnesota dismissed eight environmental groups' challenges to the construction of an open-pit copper mine that they argue will destroy protected habitat and imperil several species ...

Former President Donald Trump wants to mine ... the Iron Range. “These are hardworking men and women who have union jobs who he isn’t supporting.” Trump narrowly missed winning Minnesota ...