03/20/1968
https://www.presidency.ucsb.edu...
"Unless we do, much of the wild and beautiful America that we know and our grandfathers knew will be lost forever--buried in the debris of our hurrying civilization."
"I came here to tell you we have just begun."
"We intend to start 300,000 of these units this year."
"Our people have hungered for this for a long, long time."