April 19, 2016
The Animas River runs yellow with toxin-tainted wastewater in August after a spill from the abandoned Gold King Mine. A Senate panel has set an April 22 hearing in Phoenix on the issue. Photo/Colorado Parks and Wildlife Department via Reuters
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WASHINGTON - A Senate committee issued a subpoena April 6 demanding that Environmental Protection Agency Administrator Gina McCarthy or an assistant administrator appear at an April 22 hearing in Phoenix on the Gold King Mine spill.