Rocky Mountains, at the western edge of the Great Plains, extending from north to south across the country, with an altitude of over 14,000 feet (4,300 m) in Colorado. Far to the west as the Great Basin and deserts such as Chihuahua and Mojave. Mountains, the Sierra Nevada and Cascade fry line near the Pacific coast, the mountains both altitude above 14,000 feet (4,300 meters) lower. Lowest and highest in the continental United States are in California. And only about 80 miles (130 kilometers). At an altitude of 20,320 feet (6,194 meters), Mount McKinley in Alaska state is the highest peak in the country and in North America. The volcano is still alive, are common in the area, Alexander, and the Aleutian Islands of Alaska and Hawaii consists of volcanic islands. Super volcano in Yellowstone National Park in the Rocky Mountains. A look at the continent's biggest volcano.
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