Norfolk Harbor and Thimble Shoal Channel, Va. Letter from the Secretary of the Army transmitting a letter from the Chief of Engineers, Department of the Army, dated February 19, 1954, submitting a report, together with accompanying papers and illustrations, on a review of reports on Norfolk Harbor and Thimble Shoal Channel, Va., requested by resolutions of the Committee on Public Works, United States Senate, adopted June 17, 1949, and October 14, 1949, respectively.