Letter from the Secretary of the Army transmitting a letter from the Chief of Engineers, United States Army, dated August 1, 1949, submitting an Interim Report, together with accompanying papers and illustrations, on a review of reports on the Arkansas River and tributaries, with a view to local flood protection at Pueblo, Colorado. This investigation was requested by a resolution of the Committee on Flood Control, House of Representatives, adopted on July 2, 1943.