Lyndon Johnson: “My heart is happy today.”

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 specifically designated by said…

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 rights, the lands owned or controlled by the…

In that pursuit, Mr. President, United States support will be gladly given.

This program, sponsored by the World Meteorological Organization, constitutes one of the largest and most complex scientific and technological undertakings ever attempted as an international effort.