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Mining

November 20, 2017
Drill rigs, shovels and haul trucks are busy at work opening up the open pit gold mine about 40 miles northwest of International Falls in summer 2016. John Myers / myers@duluthnews.com
New Ontario gold mine fined for discharge
November 20, 2017 - 2:49pm
November 19, 2017
Readers' View: Does governor value our water less?
November 19, 2017 - 5:45pm
November 3, 2017
Twin Metals headquarters in Ely. (Clint Austin / caustin@duluthnews.com)
Twin Metals preparing environmental review
November 3, 2017 - 4:40pm
November 2, 2017
Jeff "Buff" Swanson, one of 10 original ArcelorMittal Minorca employees still working at the facility, holds some of the taconite plant's iron ore pellets. Forty years after opening, the plant is slated to produce its 100 millionth ton of pellets. Lee Bloomquist / For the Mesabi Daily News
Minorca reaches a milestone
November 2, 2017 - 6:53pm
November 1, 2017
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AngloGold Ashanti plans more drilling in northern Minnesota
November 1, 2017 - 12:11pm
A sign near the entrance to Minntac proclaims its status as the continent’s largest taconite facility. (2015 file / News Tribune)
US, global steel production is up — and so is US Steel Corp.
November 1, 2017 - 12:07pm
September 30, 2017
A road at the Essar Steel site leads to the pellet plant. (2015 file / News Tribune)
Dayton pledges continued state support for Chippewa's efforts to revive Essar site
September 30, 2017 - 7:21pm
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
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