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Sierra Nevada, mountain range, United States
(Encyclopedia)Sierra Nevada sēĕrˈə nəväˈdə [key], mountain range, c.400 mi (640 km) long and from c.40 to 80 mi (60–130 km) wide, mostly in E Calif. It rises to 14,495 ft (4,418 m) in Mt. Whitney, the hig...Askja
(Encyclopedia)Askja äsˈkyä [key], volcano, c.4,950 ft (1,510 m) high, E central Iceland; one of the highest in Europe. Its great eruption of 1875 devastated a large area; Askja last erupted in 1961. Askja calder...Bogalusa
(Encyclopedia)Bogalusa bōgəlo͞oˈsə [key], city (2020 pop. 10,659), Washington parish, SE La.; inc. 1914. It ...Pacific Margin
(Encyclopedia)Pacific Margin, western section of the great North American Cordillera, W United States and W Canada, stretching from SW Alaska to S Calif. It is composed of a central lowland region (Central Valley, ...Baltic Shield
(Encyclopedia)Baltic Shield, the continental core of Europe, composed of Precambrian crystalline rock, the oldest of Europe. The tectonically stable region was not affected by the Caledonian, Hercynian, and Alpine ...Great Basin
(Encyclopedia)Great Basin, semiarid, N section of the Basin and Range province, the intermontane plateau region of W United States and N Mexico. Lying mostly in Nevada and extending into California, Oregon, Idaho, ...Rocky Mountains
(Encyclopedia)Rocky Mountains, major mountain system of W North America and easternmost belt of the North American cordillera, extending more than 3,000 mi (4,800 km) from central N.Mex. to NW Alaska; Mt. Elbert (1...Grampians, the
(Encyclopedia)Grampians, the, or Grampian Mountains, highest mountain system of Great Britain, extending northeast to southwest along the southern fringe of the Highlands, central Scotland. Ben Nevis (4,411 ft/1,34...Gold Butte National Monument
(Encyclopedia)Gold Butte National Monument, 296,937 acres (90,506 hectares), SE Utah, est. 2016 and managed by the Bureau of Land Management. Named for a mining ghost town, the monument embraces a rugged desert lan...Salina
(Encyclopedia)Salina səlīˈnə [key], city (1990 pop. 42,303), seat of Saline co., central Kans., on the Smoky Hill River; founded 1858 by settlers opposed to slavery, inc. 1870. It is the marketing and shipping ...Browse by Subject
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