Evidence For the Ice Age

The Earth and its Surroundings

by Encyclopaedia Britannica

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Geologists investigate the evidence for an Ice Age in North America, looking at massive stray boulders in the state of Washington, patches of polished and gouged rock from New York to California, and a huge deserted river channel in North Dakota.


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Publisher: Encyclopaedia Britannica, Inc.
Edition: Revised

Streaming video

  • Release date: April 8, 2008
  • Duration: 00:12:07

  • Public Performance: Not permitted

  • 1 of 1 copy available

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    Streaming video

    subjects

    Instructional

    Languages

    English

    Geologists investigate the evidence for an Ice Age in North America, looking at massive stray boulders in the state of Washington, patches of polished and gouged rock from New York to California, and a huge deserted river channel in North Dakota.


    Expand title description text