Letter from the Secretary of War transmitting a letter from the Chief of Engineers, United States Army, dated April 16, 1946, submitting a report, together with accompanying papers and an illustration, on a review of reports for flood control on the Lower Mississippi River with a view to determining whether additional flood protection should be provided for the St. Johns levee district, Missouri, requested by a resolution of the Committee on Flood Control, House of Representatives, adopted on October 8, 1945.