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Find out how old the Grand Canyon really is. The Grand Canyon is approximately 280 miles long, and in some places it’s over a mile deep and 18 miles across. Controversy over the age of the Grand Canyon has been stirred up by a new study done by researchers from the University of Colorado and the California Institute of Technology, which says that the canyon is approximately 65 million years older than previous research suggests.

Keywords: How Old Really Is Grand Canyon, GeoBeats, grand canyon trivia, how grand canyon was formed, grand canyon age, Karl E. Karlstrom

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current16:56, June 25, 2013Thumbnail for version as of 16:56, June 25, 201301:04480 × 352 (33 KB)Saipetch (wall | contribs)created video

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