News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   AP Photo/Wade Payne |   Harriman, Tenn. An aerial view shows workers standing near a home that was destroyed when a retention pond wall collapsed at the Tennessee Valley Authorities Kingston Fossil Plant, Monday, Dec. 22, 2008, in Harriman, Tenn. The Tennessee Valley Authority says the 40-acre pond held a slurry of ash generated by the coal-burning Kingston Steam Plant. | Discovery News Video   « back to article

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