Get the full history of the Great Lakes. Learn more at:  <a href= "http://www.CurrentCast.org">http://www.CurrentCast.org</a>.

Get the full history of the Great Lakes. Learn more at: http://www.CurrentCast.org.

Get the full history of the Great Lakes.&nbsp;Learn more at: &nbsp;<a href="http://www.CurrentCast.org" rel="noopener noreferrer">http://www.CurrentCast.org</a>.

How the Great Lakes Formed

CurrentCast is a daily, 60-second radio feature that educates the public about water issues, promotes an appreciation for aquatic environments, and encourages an educated discussion about this critical resource.

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How the Great Lakes Formed

How the Great Lakes Formed