MapSherpa Great Lakes

This beautiful map shows physical and political features for the Great Lakes and surrounding areas. Relief shading and the use of different colours by height above sea level are both informative and attractive.

Artokoloro Andrews Map of the Great Lakes and St. Lawrence Basin (1853)

1853 map of the St. Lawrence Basin by prominent Canadian railway engineer and civil engineer Tomas C. Keefer for Israel D. Andrews' report to Hon. Thomas Corwin, Secretary of the Treasury. Full title: Map of the Basin of the St. Lawrence Showing also the Natural and Artifical Routes Between the Atlantic Ocean and the Interior of North America.