Letter from the Secretary of the Army transmitting a letter from the Chief of Engineers, Department of the Army, dated October 19, 1956, submitting a report, together with accompanying papers and illustrations, on a review of reports on the Delaware River between Philadelphia and the sea, with respect to modification of channel dimensions and anchorage areas, requested by resolutions of the Committees on Public Works of the House of Representatives and of the United States Senate, adopted March 1, 1954, and March 16, 1954, respectively.