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EPA to tackle one of most vexing polluters in Animas River basin

American Tunnel poses complex situation for Superfund cleanup

BP fined for 3 spills in La Plata County, will pay $12.5M to fix pipelines

Company says infrastructure in Southwest Colorado ‘good for service’

Larry Perino, one of the last Sunnyside Gold employees, announces retirement

Reclamation manager looks back at Silverton’s mining past

Lawmakers advance plan to track greenhouse gases

Effort worries coal counties on Western Slope; seen as duplicate by some

Winter weather forces closure of Gold King Mine treatment plant

Facility built to resist cold, but snowfall and avalanches become problematic

What are the ultimate goals for Superfund cleanup around Silverton?

EPA hopes to improve water quality in Animas River below Silverton

Sunnyside Gold says EPA should be recused from leading Silverton Superfund cleanup

Mining company says federal agency has a conflict of interest

Bill to limit plastic straws fails in committee

Environmentalists and advocates of local control opposed proposed law

EPA places Silverton’s Superfund site on fast-track pilot program

Bonita Peak is 1 of 6 programs selected nationwide

EPA: Gold King Mine spill had no immediate, long-term impacts

Study confirms other organizations’ findings

Utah, U.S. to launch study on mining pollution in Lake Powell

Effects of Gold King Mine spill will be considered

More questions than answers in BP’s spill into Animas River

Company investigating cause, contaminates and amount spilled