Letter from the Secretary of War transmitting a letter from the Chief of Engineers, United States Army, dated April 12, 1946, submitting an interim report, together with Accompanying Papers and an Illustration, on a review of the Red River and tributaries, Texas, Oklahoma, Arkansas, and Louisiana, with a view to Providing Proper Flood Protection on the Main Stem of the River Downstream from Denison Dam, requested by a resolution of the Committee on Flood Control, House of Representatives, adopted on April 19, 1945.