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Grand Canyon National Park
Variant of Grand Canyon
deep gorge of the Colorado River, in NW Ariz.: over 200 mi (322 km) long; 4-18 mi (6.4-29 km) wide; 1 mi (1.6 km) deep
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.