CANYONS Grand Canyon, Arizona, USA, Earth For over 5 million years the Colorado River has been carving the Grand Canyon through the Kaibab Plateau of northern Arizona. At its widest, the canyon spans 29 kilometers and is

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Date: 1999-12-10 17:34:18 Valles Marineris Ius Chasma Chasma Canyon Capri Mensa Eos Chaos Mars Coprates quadrangle Geomorphology		CANYONS Grand Canyon, Arizona, USA, Earth For over 5 million years the Colorado River has been carving the Grand Canyon through the Kaibab Plateau of northern Arizona. At its widest, the canyon spans 29 kilometers and is Add to Reading List Source URL: www.lpi.usra.edu Download Document from Source Website File Size: 167,80 KB Share Document on Facebook