In this Wednesday, Aug. 12, 2015, file photograph, water flows through a series of retention ponds after a spill at the Gold King mine near Silverton, Colo. On Friday, Feb. 5, 2016, the Environmental Protection Agency said that the 3 million gallon spill from the gold mine may have dumped more than 880,000 pounds of metals into the Animas River. (AP Photo/Brennan Linsley, file)
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