Text this: Letter from the Secretary of the Army transmitting a letter from the Chief of Engineers, United States Army, dated February 28, 1949, submitting a report, together with accompanying papers and illustrations, on a preliminary examination and survey of Green and Duwamish Rivers, Wash., and a review of reports on Duwamish Waterway, Seattle Harbor, Wash., authorized by the Flood Control Act approved on June 22, 1936, and the River and Harbor Act approved on July 24, 1946, and requested by a resolution of the Committee on Rivers and Harbors, House of Representatives, adopted on April 18, 1946.