Mississippi River between Ohio River and mouth of Missouri River. Letter from the Secretary of War transmitting letter from the Chief of Engineers, United States Army, dated March 15, 1939, submitting a report, together with accompanying papers and an illustration, on reexamination of Mississippi River between the Ohio River and mouth of the Missouri River, with a view to determining whether any modification in the existing project for improvement of Mississippi River between mouth of the Missouri River and East St. Louis, Ill., is advisable at the present time, requested by resolution of the Committee on Rivers and Harbors, House of Representatives, adopted October 31, 1938.