Great Lakes Dredge and Dock Project Manager Armand Riehl, left, and John W. "Jack" Winn talk near the dredge Alaska as it deepens the shipping channel to the port of Savannah off the coast of Tybee Island, Ga., Monday, Sept. 14, 2015. The project will deepen the shipping channel from 42 to 47 feet at meal low water. (AP Photo/Stephen B. Morton)
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