02/27/1966
https://www.presidency.ucsb.edu...
"Nothing herein shall prevent the movement of livestock across the lands included in this monument under such regulations as may be prescribed by the Secretary of the Interior and upon driveways to be ..."
"Now, Therefore, I, Lyndon B. Johnson, President of the United States, under the authority vested in me by section 2 of the act of June 8, 1906, supra, do proclaim that, subject to valid existing right..."
"I believe deeply in your cause and I believe in you."
"Thank you all for your welcome and for the wonderful work that you carry on."