wisconsin-glaciation-ice-map

A map showing ice sheet coverage at its greatest extent during the last ice age. Captured from an interactive image, courtesy of the National Park Service. https://www.nps.gov/features/romo/feat0001/BasicsIceAges.html

A map showing ice sheet coverage at its greatest extent during the last ice age. Captured from an interactive image, courtesy of the National Park Service. https://www.nps.gov/features/romo/feat0001/BasicsIceAges.html

Posted 
September 12, 2016
 in 

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