02/06/1952
https://www.presidency.ucsb.edu...
"We have permanently safeguarded an irreplaceable primitive area."
"To maintain our natural wealth we must engage in full and complete conservation of all our resources."
"By virtue of the authority vested in me as President of the United States, and in further effectuation of the policies declared by section 1 of the Atomic Energy Act of 1946 (60 Stat. 755), it is here..."
"Now, Therefore, I, Harry S. Truman, President of the United States of America, under and by virtue of the authority vested in me by the aforesaid act of July 17, 1946, do find and proclaim that with r..."