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How We Know about the Ice Ages 4.0 from 0 reviews
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Across the North American continent, there is evidence that a thick sheet of ice once covered much of the land.

Phoenix Learning Group, 2349 Chaffee Dr., St. Louis, MO 63146, Phone: (314)569-0211, Toll-free: 800-221-1274, Fax: (314)569-2834, URL: http://www.phoenixlearninggroup.com

Available on Running time 16 minutes.

Cast and Crew

Genres
Geology
Producer
BFA Educational Media

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