Email Record: Little Sioux River and Tributaries, Iowa. Letter from the Secretary of the Army transmitting a letter from the Chief of Engineers, Department of the Army, dated April 15, 1954, submitting a report, together with accompanying papers and illustrations, on a review of reports on Little Sioux River and Tributaries, Iowa, requested by a resolution of the Committee on Public Works, United States Senate, adopted on September 18, 1952.