02/09/1959
https://www.presidency.ucsb.edu...
"NOW, THEREFORE, by virtue of the authority vested in me by the Constitution and statutes, and as President of the United States, and deeming such action necessary in the best interests of the national..."
"Heads of departments and agencies not named herein shall limit the exercise of classified authority in accordance with section 2(c) of the order."
"There is hereby established the United States Section of the St. Lawrence River Joint Board of Engineers, composed of two members and hereinafter referred to as the United States Section."
"The United States Section shall represent the Government of the United States on the Joint Board of Engineers in the performance of the duties specified in condition (g) of the Order of Approval, and ..."