Sierra Nevada, Mountain range, eastern California, U.S. The Sierra Nevada range extends more than 250 mi (400 km) from the Mojave Desert to the Cascade Range, and it averages about 50 mi (80 km) in width. The peaks of the range are 11,000–14,000 ft (3,350–4,270 m) high; Mount Whitney is the highest mountain. It is a year-round recreation centre and is easily accessed from the state’s large urban areas.
Sierra Nevada Article
Sierra Nevada summary
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United States Summary
United States, country in North America, a federal republic of 50 states. Besides the 48 conterminous states that occupy the middle latitudes of the continent, the United States includes the state of Alaska, at the northwestern extreme of North America, and the island state of Hawaii, in the
North America Summary
North America, third largest of the world’s continents, lying for the most part between the Arctic Circle and the Tropic of Cancer. It extends for more than 5,000 miles (8,000 km) to within 500 miles (800 km) of both the North Pole and the Equator and has an east-west extent of 5,000 miles. It