Environmental officials said Thursday their long-term concern after the 3 million-gallon Gold King Mine spill centers around the metallic sediment left in its wake.
By Jesse PaulThe Denver Post, Denver Post: Local
Thu, 08/27/2015 - 9:36am
Environmental officials said Thursday their long-term concern after the 3 million-gallon Gold King Mine spill centers around the metallic sediment left in its wake.