Mississippi river at Muscatine, Iowa. Letter from the Secretary of the Army transmitting a letter from the Chief of Engineers, United States Army, dated May 11, 1948, submitting a report, together with accompanying papers and an illustration, on a review of reports on the Mississippi River between the Missouri River and Minneapolis, Minnesota, with a view to improvements at Muscatine, Iowa, requested by a resolution of the Committee on Rivers and Harbors, House of Representatives, adopted on December 21, 1945.