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The Grand Canyon I
Photograph - Digital Images
The Grand Canyon is known for its visually overwhelming size and its intricate and colorful landscape. Geologically it is significant because of the thick sequence of ancient rocks that is beautifully preserved and exposed in the walls of the canyon. These rock layers record much of the early geologic history of the North American continent.
October 1st, 2012
Viewed 6,454 Times - Last Visitor from Seoul, 11 - South Korea on 08/28/2014 at 4:31 PM
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