11/01/1940
https://www.presidency.ucsb.edu...
"It is ordered that, subject to valid existing rights and to withdrawals and classifications for power purposes, the following-described public lands in Arkansas be, and they are hereby, withdrawn from..."
"By virtue of the authority vested in me by the Constitution and statutes of the United States, and in order to define further the functions and duties of the Office for Emergency Management of the Exe..."
"There is established within the Office for Emergency Management of the Executive Office of the President the Office of Civilian Defense."
"The Director shall discharge and perform his responsibilities and duties under the direction and supervision of the President."