This Dec. 13, 2016 shows the former Anaconda smelter smokestack behind sculptures of miners at the Anaconda Smelter Stack State Park viewing area in Anaconda, Mont. Residents in the nearby community of Opportunity are suing for the right to clean the toxic metals left by the smelter from their yards and claim federal environmental officials and the smelter’s owner have botched a 34-year cleanup. (RSS/AP Photo/Matt Volz)