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Arco

Butte judge dismisses residents’ lawsuit against ARCO

BUTTE — A Butte judge has dismissed a contamination case against Atlantic Richfield Co. brought by nearly 100 residents of Opportunity more than five years ago.

December 25, 2013 6:15 amLoading…

Scaled-back mining plan in works but could bring Butte 320 jobs

BUTTE — A plan to mine silver and zinc underground in Butte remains on the horizon — but on a smaller scale.

August 02, 2013 12:32 amLoading…
Schweitzer, Clinton Group hedge fund target Stillwater Mining

Schweitzer, Clinton Group hedge fund target Stillwater Mining

A former Montana governor considered a dark horse candidate for the 2016 Democratic presidential nomination has joined a hedge fund's attempt to take control of the state's largest publicly-owned mining company.

February 25, 2013 9:20 am Photos

Photos

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Sinclair refinery issued safety citations

Sinclair refinery issued safety citations

RAWLINS, Wyo. — The Sinclair Oil refinery east of Rawlins is facing more safety violation citations and nearly $260,000 a fines.

February 06, 2013 8:43 amLoading…
Butte plan calls for $33M for re-vegetation, stream restoration projects

Butte plan calls for $33M for re-vegetation, stream restoration projects

BUTTE — Elizabeth Erickson looks out over the mine caps on the Butte Hill and can envision hillsides with aspen and fir trees and native vegetation covering them a decade from now.

October 07, 2012 9:00 amLoading…

Wyoming worker safety seeks $60K after Sinclair fire

CASPER — The Wyoming Occupational Safety and Health Administration fined Sinclair Oil Corp. $60,250 for violations stemming from a fire at a Wyoming refinery in late May, the agency announced Friday.

September 21, 2012 4:13 pmLoading…

Sinclair plant sees another fire

RAWLINS, Wyo. - Another fire at the Sinclair Refinery in south-central Wyoming forced the evacuation of the plant but caused no injuries.

August 27, 2012 10:53 amLoading…

Citations expected in Wyoming refinery fire

RAWLINS — At least three citations are expected to be issued against the Sinclair oil refinery in Wyoming where a flash fire injured four workers.

May 26, 2012 5:33 pmLoading…

ARCO to pay $1 million to EPA at Superfund site

GREAT FALLS — Atlantic Richfield Co. has agreed to pay $1 million to the U.S. Environmental Protection Agency for managing the Superfund site at the former Black Eagle smelter.

March 10, 2012 2:57 pmLoading…
Concept for treating Milltown Dam tailings in place

Concept for treating Milltown Dam tailings in place

ANACONDA -- While exact details are pending, the Environmental Protection Agency and Atlantic Richfield Co. have a concept in place to treat roughly 2.5 million cubic yards of contaminated sediment from the former Milltown Dam reservoir.

February 02, 2012 6:45 amLoading…

Upper Clark Fork restoration plan moves ahead

MISSOULA - An advisory committee has approved a plan for spending $116 million on long-term cleanup of mining pollution in the upper Clark Fork River.

November 12, 2011 1:56 pmLoading…
Wyoming refinery to pay $5.4M for bird-killing petroleum spill

Wyoming refinery to pay $5.4M for bird-killing petroleum spill

CHEYENNE - The state on Monday announced a pollution settlement worth nearly $5.4 million, likely Wyoming's largest, for a spill that has killed nearly 150 birds at a refinery since last year.

June 06, 2011 4:23 pmLoading…

Soil cap apparently needed on sediment deposit at Opportunity

ANACONDA — Contaminated sediment hauled from the former Milltown reservoir near Missoula to just west of Opportunity appears headed for cover.

December 16, 2010 12:00 amLoading…

Montana FWP details plans for public lands near Milltown Dam site

MISSOULA — Plans for four new public areas around the former Milltown Dam river confluence are up for public input this month.

November 06, 2010 7:43 pmLoading…

More Arco-funded environmental projects authorized

HELENA - More natural-resources projects will be launched with interest earned on money the state obtained from its lawsuit against Atlantic Richfield Co.

December 22, 2008 11:00 pmLoading…

Cleanup completed on part of creek

BUTTE - The Montana Department of Environmental Quality has finished cleanup of a five-mile stretch of Silver Bow Creek near Butte, extending from the Port of Montana downstream to Miles Crossing.

December 07, 2008 11:00 pmLoading…

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