09/24/1979
https://www.presidency.ucsb.edu...
"Nothing in this Proclamation shall be deemed to revoke any existing withdrawal, reservation or appropriation."
"total tangible benefits to the Government have exceeded $210 million"
"I think this is obviously a very unlikely prospect."
"The area reserved consists of approximately 2,285,000 acres, and is the smallest area compatible with the proper care and management of the objects to be protected."