From the Geological Survey Division of the Michigan Department of Natural Resources, R. W. Kelley and W. R. Farrand's The Glacial Lakes around Michigan ...
The Great Lakes are incomparable. They could have been named "The Greatest Lakes" because no other body of fresh water in the world rivals them in size. Great size, however, is but one of many attributes. Consider also their strategic continental interior location, temperate climate, unique shore line configuration, great depth, and perhaps above all, their lucid beauty. Furthermore, have you ever noticed how readily they can be spotted on a globe?Many of us are prone to underestimate the importance of these vast inland seas. As intensive exploitation of land and water resources becomes increasingly necessary, respect for this magnificent natural resource will increase. Today many persons are earnestly wondering how these lakes were formed ...


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