Ozark Lock and Dam, and Lock and Dam No. 9, Arkansas River, Arkansas. Letter from the Secretary of the Army transmitting a letter from the Chief of Engineers, Department of the Army, dated January 17, 1968, submitting a report, together with accompanying papers and illustrations, on a review of the reports on the Ozark Lock and Dam, and Lock and Dam No. 9, Arkansas River, Arkansas, requested by a resolution of the Committee on Public Works, United States Senate, adopted April 10, 1962.