Text this: Red Lake River and tributaries, including Clearwater River, Minn. Letter from the Secretary of War transmitting a letter from the Chief of Engineers, United States Army, dated June 19, 1948, submitting a report, together with accompanying papers and illustrations, on a preliminary examination and survey of Red Lake River and its tributaries, Minnesota, including Clearwater River, Minn., authorized by the Flood Control Act approved on June 28, 1938.