Modification of the West Tennessee tributaries feature, Mississippi River and tributaries project (Obion and Forked Deer River). : Letter from the Secretary of the Army transmitting a letter from the Chief of Engineers, Dept. of the Army, dated March 28, 1972, submitting a report, together with accompanying papers and an illustration, on modification of the West Tennessee tributaries feature, Mississippi River and tributaries project (Obion and Forked Deer Rivers), pursuant to the provisions of the Fish and wildlife coordination act, approved Aug. 12, 1958.