09/04/1946
https://www.presidency.ucsb.edu...
"I strongly recommend, therefore, that the Congress promptly enact legislation to carry out the 1941 Agreement for joint completion of the St. Lawrence seaway and power project."
"I wish to call to the attention of the Congress the immediate urgency of action on legislation to authorize the construction of the St. Lawrence seaway and power project."
"The St. Lawrence project will greatly benefit both Canada and the United States."
"The project is of great importance to our national security and our economic growth."