EPA finalizes action plan for Silverton-area Superfund

Agency will address 23 mine sites over next five years

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

Reclamation manager looks back at Silverton’s mining past

Power restored at Gold King water-treatment plant

Snowstorms had cut electricity

Winter weather forces closure of Gold King Mine treatment plant

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

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

Mining company says federal agency has conflict of interest

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

Bonita Peak is 1 of 6 programs selected nationwide

Citizens group for Superfund site to meet Thursday for first time

Members will provide direct input to EPA about cleanup activities

Plant treats Gold King Mine waste despite government shutdown

EPA says budget battle will not affect operations

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

Study confirms other organizations’ findings

Community group forms to provide Superfund input

Applications for 15-person board now being accepted

EPA looks to drilling to solve mystery of American Tunnel

Former transportation passage poses mystery for researchers

Funding to reclaim abandoned mines falls short

Colorado programs have reclaimed 6,000 of 23,000 abandoned sites