07/03/1947
https://www.presidency.ucsb.edu...
"The cost of both the seaway and power phases of the project will be repaid, with interest."
"I strongly recommend, therefore, that the Congress promptly complete action on legislation to carry out the 1941 agreement for joint construction of the St. Lawrence seaway and power project."
"Certain local and special interests in our country who fancy they would be adversely affected, have until now succeeded in blocking Congressional approval of United States participation in this projec..."
"It is a plain matter of national self-interest for us to join in its construction."