JASPER COUNTY, S.C.—Work continues at the U.S. Army Corps of Engineers Savannah Harbor dredge disposal area "12A" shown here Aug. 27, 2013. Col. Thomas Tickner (right), commander for the Corps' Savannah District, and his staff visit the work site and meet with David Snodgrass (far right), a quality control manager from Edgefield Construction, the prime contractor for the 12A improvement project. Next to Tickner are William Lane and Burt Moore of the Corps' Savannah District operations division.