Letter from the Secretary of the Army transmitting a letter from the Chief of Engineers, Department of the Army, dated May 10, 1957, submitting a report, together with accompanying papers and an illustration, on a review of report on Siuslaw River and Bar, Oreg., requested by a resolution of the Committee on Commerce, United States Senate, adopted May 16, 1939, and authorized by the River and Harbor Act, approved July 24, 1946.