06/14/1977
https://www.presidency.ucsb.edu...
"By the authority vested in me as President by the Constitution and statutes of the United States of America, including Section 5 of the United Nations Participation Act of 1945, as amended (22 U.S.C. ..."
"The board shall report its finding to the President with respect to the dispute within 30 days from the date of this Order."
"The study finds that the river does not possess the qualities to be eligible to be added to the national system."
"There is established a board of three members to be appointed by the President to investigate this dispute."