Harry Truman actually said...
Now, Therefore, I, Harry S. Truman, President of the United States of America, under and by virtue of the authority vested in me by section 1 of the said act of August 18, 1941, as amended, do proclaim and declare that, subject to all valid existing rights, the following-described public lands in the State of Arizona are hereby established as the Coronado National Memorial:
11/04/1952