Grand Canyon (crs)
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The canyon, 277 miles long, up to 18 miles wide and over 1 mile deep, was formed by the Colorado River approximately over the last 17 million years. The temperature may reach 117 degrees.
I have visited the Canyon several times. The colors are exceptional.
|Reference/s:||National Park Service|
Identifier: 537, Last Accessed: 2017-09-20 12:00:00
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Last Modified: Fri Jul 29 2016 09:10:20.