In this June 1, 2009 photo provided by the Tennessee Valley Authority, a cove kown as "Church Slough" is seen near Harriman, Tenn. The cove and roadway in foreground have been restored after a massive coal ash spill from the nearby Kingston Fossil Plant in Dec. 22, 2008. The TVA says this is an example of the remediation planned for the whole area where the more than 5 million cubic yards of ash spilled. AP Photo logo AP Photo 5 months ago

In this June 1, 2009 photo provided by the Tennessee Valley Authority, a cove kown as "Church Slough" is seen near Harriman, Tenn. The cove and roadway in foreground have been restored after a massive coal ash spill from the nearby Kingston Fossil Plant in Dec. 22, 2008. The TVA says this is an example of the remediation planned for the whole area where the more than 5 million cubic yards of ash spilled.