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The Retreat of Glaciers in North America

18,000 to 8,000 Years Ago

You may view an MPEG video showing the retreat of the Laurentide ice sheet that covered much of North America. The glacial extent in the video is based on Dyke and Prest (1987).
NOTE: the video is about 210kb and was created by the ISM GIS Laboratory.

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ISM Home > Exhibits > Ice Ages>, Last modified September 1st 2011, 03:12PM.