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Alaska Range
Alaska Range S central Alaska, rising to the highest mountain in North America, Mt. McKinley (20,320 ft/6,194 m). The range divides S central Alaska from the great plateau of the interior. Mt. Spurr, an 11,070-ft-high (3,376-m) volcano 80 mi (129 km) W of Anchorage erupted several times in 1992 a...
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Aleutian Range
Aleutian Range volcanic mountain chain, c.1,600 mi (2,600 km) long, SW Alaska, extending W from Anchorage along the Alaska Peninsula, and continuing, partly submerged as the Aleutian Islands, to Attu island. Mt. Redoubt (10,200 ft/3,109 m) is the highest peak. Part of the volcanic belt that rings t...
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Saint Elias Mountains
Saint Elias Mountains section of the Coast Ranges, SW Yukon Territory, Canada, and SE Alaska, rising to 19,551 ft (5,959 m) at Mt. Logan, Canada's highest peak. Kluane National Park is there.
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Cordilleras
Cordilleras [Span., originally=little string], general name for the entire chain of mountain systems of W North America, extending from N Alaska to Nicaragua. The Cordilleras include the Rocky Mts., the ranges of the Great Basin, the Sierra Nevada, the Coast Ranges, and the Sierra Madre. The name C...
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Mount McKinley
Mount McKinley peak, 20,320 ft (6,194 m) high, S central Alaska, in the Alaska Range; highest point in North America. Permanent snowfields cover more than half the mountain and feed numerous glaciers. Known locally as Denali [ "the Great One" ], Mt. McKinley was first scaled successfully by the...
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range
range large area of land unsuited to cultivation but supporting native grasses and other plants suitable for livestock grazing. Principal areas in the western hemisphere are the pampas of South America and the prairies of the United States and Canada. Originally the entire ranges of the W Unite...
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mountain
mountain high land mass projecting conspicuously above its surroundings and usually of limited width at its summit. Although isolated mountains are not unusual, mountains commonly form ranges, comprising either a single complex ridge or a series of related ridges. A group of ranges closely related ...
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countertenor
countertenor a male singing voice in the alto range. Singing in this range requires either a special vocal technique called falsetto, or a high extension of the tenor range. Countertenors were required during the Renaissance and Baroque periods when women were not permitted to sing publicly. Se...
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Alaska North Slope
Alaska North Slope or Arctic North Slope, region, N Alaska, sloping from the Brooks Range N to the Arctic Ocean. In 1968 large petroleum reserves were found in the Prudhoe Bay area. In 1977 the 800-mi (1,287 km) Trans-Alaska pipeline was completed to carry oil S to the port of Valdez, on the ...
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Liard
Liard , river, 755 mi (1,215 km) long, rising in the Pelly Mts., SE Yukon Territory, Canada, and flowing SE into N British Columbia, passing through the main range of the Rocky Mts., thence northeast through densely wooded country to the Mackenzie River at Fort Simpson, Northwest Territories. It is ...
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