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    4. when did the grand canyon form
    when did the grand canyon form

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    +1  Views: 209 Answers: 2 Posted: 13 years ago
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      Creationists believe that it was formed about 4,500 years ago by the erosion caused when the waters of the Flood receded. Creationists are crackpots ( and Republicans).

      12 years ago. Rating: 1
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        recent geological evidence suggests the Colorado River established its course through the canyon at least 17 million years ago. Since then, the Colorado River continued to erode and form the canyon to its present-day configuration.

        12 years ago. Rating: 1
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