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2. The park covers 1,904 square miles (4,950 square kilometers) in northern Arizona. 3. The Grand Canyon is a 277-mile-long (446-kilometer-long) canyon cut by the Colorado River. 4. The gorge is a mile (1.6 kilometers) deep and 18 miles (29 kilometers) wide in some places. 5. Nearly two billion years of the earths history is revealed in the layers of rock. 6. The park preserves more than 2,700 archaeological sites of Native Americans, who have lived there at least 4,000 years. 7. The South Rim has a climate typical of the arid Southwest. 8. The North Rim1,000 feet (305 meters) higher than the South Rimis cooler and wetter and is heavily forested. 9. The Inner Canyonhot and drycan be reached only by foot, mule, or boat.
For more information, contact Grand Canyon National Park, P.O. Box 129, Grand Canyon, Arizona 86023, U.S.A.Tel.: +1 520 638 7888.
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