Grand Canyon.
Immense tectonic forces. Millions of years of erosion. This program explains how the Grand Canyon--nearly 300 miles long, up to 18 miles wide, and more than a mile deep--came to be. Distributed by A & E Television Networks. A part of the series How the Earth Was Made. (45 minutes) A streaming vi...
| Format: | Unknown |
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| Language: | No linguistic content |
| Published: |
A & E Networks,
2009.
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| Subjects: |
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Villanova
| Call Number: |
PN1200eb |
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