Mississippi River Between St. Louis, MO., and Lock and Dam No. 26, Letter from the Secretary of the Army Transmitting a Letter from the Chief of Engineers, Department of the Army, Dated August 13, 1956, Submitting a Report, Together with Accompanying Papers and Illustrations, on a Review of Report on Mississippi River Between St. Louis, MO., and Lock and Dam No. 26, Requested by a Resolution of the Committee on Public Works, United States Senate, Adopted December 6, 1955, Presented by Mr. Chavez, January 9 (legislative Day, January 3), 1957.--Referred to the Committee on Public Works and Ordered to be Printed, with Illustrations