Improved Operation, Maintenance, and Financing of the Nation's Water Transportation System, Including Coastal and Great Lakes Ports, the St. Lawrence Seaway, and the Inland and Intracoastal Waterways: Hearings Before the Subcommittee on Water Resources of the Committee on Public Works and Transportation, House of Representatives, Ninety-seventh Congress, Second Session, March 2, 3, 9, 10, 11, 16, 17, 18, 23, and 24, 1982