The Great Lakes and St. Lawrence River have been major North American trade arteries since long before the U.S. or Canada achieved nationhood. Today, this integrated navigation system serves mariners, farmers, factory workers, and commercial interests from the western prairies to the eastern seaboard. Interestingly, the St. Lawrence River portion of the seaway is not a continuous canal; rather, it consists of several stretches of navigable channels within the river including several locks ... Read more
