The St. Lawrence: River Route to the Great Lakes

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Focusing on the St. Lawrence River, the book explores its historical significance as a vital route for the fur and timber trades. It highlights the river's role as a commercial waterway that serves as a boundary between Canada and the United States, linking the Great Lakes to the Atlantic Ocean. Additionally, it details the modern infrastructure of canals, dams, and locks that enables seagoing ships to navigate all the way to Lake Superior, showcasing the river's evolution over time.