Title: St. Lawrence Waterway
Subtitle: hearings before a subcommittee of the Committee on Foreign Relations, United States Senate, Seventy-second Congress, second session, on S. Res. 278, a resolution authorizing the Committee on Foreign Relations to make an investigation and to hold hearings respecting matters touching the St. Lawrence Waterways Treaty.
Subjects: Canals, Commerce
Places: Canada, United States, Saint Lawrence River, Great Lakes (North America), Great Lakes