03/11/1947
https://www.presidency.ucsb.edu...
"WHEREAS I have this day approved the said agreement between the Tennessee Valley Authority and the United States department of Agriculture;"
"The Office of Defense Transportation, established by Executive Order No. 8989 of December 18, 1941, together with the office of Director of the Office of Defense Transportation, is hereby terminated."
"NOW, THEREFORE, by virtue of the authority vested in me by section 24 of the act of March 3, 1891, 26 Stat. 1103, and the act of June 4, 1897, 30 Stat. 34, 36 (16 U.S.C. 471, 473), and as President of..."
"This order supersedes all prior Executive orders to the extent that they are in conflict with this order and shall be effective as of July 1, 1949."