Members of a barge with the Chickamauga Lock Project arrives at Moccasin Bend to deliver supplies for a work crew with the U.S. Army Corps of Engineers Nashville District, installing materials to mitigate erosion and planting saplings for a riverbank stabilization project for the National Park Service in Chattanooga, Tenn., Feb. 27, 2013. (U.S. Army photo by Leon Roberts/Released)