09/13/1966
https://www.presidency.ucsb.edu...
"The White House and the Congress can give only a part of the leadership this Nation requires and demands."
"It is our very good fortune as a Nation that they do not stand alone even when they stand out."
"This will allow the more efficient and effective development and management of the Park."
"The Executive Order No. 11224, dated May 13, 1965, is hereby superseded."