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The Great Lakes

The Great Lakes

The Great Lakes
They are the largest expanse of fresh water on Earth. This DVD studies the geological formation and subsequent history of the Great Lakes. The DVD contains impressive footage as geologists dive to the depths of Lake Superior, tour one of the world’s largest underground salt mines, study rock formations that present evidence of a tropical paradise millions of years in the past and of ice sheets, miles thick that carved much of the Great Lakes. This educational video studies the evoiution of the most important fresh water body in the world. Today the Great Lakes are the busiest inland waterway route on the planet and are a vital aspect of the economies of both Canada and the United States.

Designed for Grades 6 to Adult / Ages 11 to Adult / English Language Only / ©2008 / 50 minutes
PPR is available for those institutions who require it. PPR is not needed for classroom or instructional use.

Available in the following formats:
  • DVD
  • DVD with PPR
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SKU DVD-1514
Price: $119.50
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