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mining

September 8, 2017
View of Essar Steel's rock separator (at left) and the tailings pumphouse and concentrator (right) under construction near Nashwauk. (2015 file / News Tribune)
Chippewa files antitrust suit against Cleveland Cliffs
September 8, 2017 - 2:06pm
August 31, 2017
Welders at what was then the Essar Steel Minnesota site work in October 2015 on a large piece of ductwork that was to be used in the taconite plant's furnace. Bob King / rking@duluthnews.com
Chippewa lawyers tell federal judge another company is trying to sabotage restart of Essar Steel Minnesota
August 31, 2017 - 12:11pm
August 25, 2017
Minnesota mining bids to be decided Sept. 8
August 25, 2017 - 7:12pm
August 15, 2017
Cleveland back in Cliffs company name
August 15, 2017 - 3:39pm
July 27, 2017
Cliffs Natural Resources boosts quarterly results
July 27, 2017 - 5:26pm
July 22, 2017
Freshly made taconite pellets emerge from the 2,350-degree Furnace No. 5 at Northshore Mining in Silver Bay in this 2008 photo provided by Cliffs Natural Resources.
Lightning strike knocks Northshore Mining offline; repairs underway
July 22, 2017 - 10:08am
July 14, 2017
Copper ore is seen in a cross-section of core sample inside a Resolution Copper Mining facility in Superior, Arizona, June 14, 2017. (Reuters / Nancy Wiechec)
Massive copper mine tests Trump's push to slash regulation
July 14, 2017 - 9:15am
June 29, 2017
Environmental group says changes in PolyMet mining plan are significant
June 29, 2017 - 7:26pm
June 15, 2017
Cliffs Natural Resources CEO Lourenco Goncalves talks to reporters in April following a company luncheon at the Minnesota Discovery Center in Chisholm. Brooks Johnson / bjohnson@duluthnews.com
After failed bid for Essar site, Cliffs picks Ohio for new plant
June 15, 2017 - 12:51pm
June 1, 2017
Judge blocks Montana mine over environmental concerns
June 1, 2017 - 7:51pm
May 10, 2017
U.S. Steel CEO steps down
May 10, 2017 - 6:55pm
May 9, 2017
Minnesota DNR ready to auction more mineral rights
May 9, 2017 - 9:50am
May 6, 2017
A PolyMet Mining official explains in December 2013 how the company will use rod mills, one of which is at right, to crush metal-bearing rock from 1/2-sized pieces to small pieces of gravel as part of the process of extracting copper, nickel and other metals from the planned mine. The mills are part of the old LTV processing plant now owned by PolyMet. (News Tribune file photo)
Expert cautions state on costs to close PolyMet
May 6, 2017 - 8:14pm
April 27, 2017
Crude taconite is transported by a hauler truck at Cliffs Natural Resources in Hibbing, Minn. (2009 file / News Tribune)
Cliffs reports loss, but increased iron ore sales
April 27, 2017 - 3:39pm
April 20, 2017
President Donald Trump signs a directive ordering an investigation into the impact of foreign steel on the American economy at the White House on April 20, 2017. REUTERS/Aaron P. Bernstein
Trump launches trade probe targeting Chinese steel exports into U.S.
April 20, 2017 - 6:40pm
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