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TEACH Questions & Answers

Where does all the water in the Great Lakes come from?
from Kyle in Juda, Wisconsin

The Great Lakes were formed by the melted water from glaciers, with the last glacier retreating almost 11,000 years ago. Today, snowmelt still supplies the Great Lakes with much of its water.

Read the following TEACH modules for more information:
How the Lakes were Formed
Water Levels on the Great Lakes
Great Lakes Shoreline Geology

Thank you for your question!


Answered on September 26, 2000

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