Allen Peak

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Location of Sentinel Range in Western Antarctica. Sentinel-Range-location-map.png
Location of Sentinel Range in Western Antarctica.
Northern Sentinel Range map. Northern-Sentinel-Map.jpg
Northern Sentinel Range map.

Allen Peak ( 77°34′S86°51′W / 77.567°S 86.850°W / -77.567; -86.850 Coordinates: 77°34′S86°51′W / 77.567°S 86.850°W / -77.567; -86.850 ) is a 1,880-metre (6,170 ft) peak in Antarctica, standing 5 nautical miles (9 km) west of Mount Wyatt Earp and forming the northern extremity of the main ridge of the Sentinel Range. It was discovered by Lincoln Ellsworth on his trans-Antarctic flight of 23 November 1935, and named by the Advisory Committee on Antarctic Names after Robert J. Allen Jr., a United States Geological Survey (USGS) cartographer and Antarctic specialist, 1950–79, a consultant to the USGS Branch of International Activities from 1980, and a member of the Branch of Special Maps, who helped prepare the 1962 map of this range. [1]

Geographic coordinate system Coordinate system

A geographic coordinate system is a coordinate system that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position and two or three of the numbers represent a horizontal position; alternatively, a geographic position may be expressed in a combined three-dimensional Cartesian vector. A common choice of coordinates is latitude, longitude and elevation. To specify a location on a plane requires a map projection.

Antarctica Polar continent in the Earths southern hemisphere

Antarctica is Earth's southernmost continent. It contains the geographic South Pole and is situated in the Antarctic region of the Southern Hemisphere, almost entirely south of the Antarctic Circle, and is surrounded by the Southern Ocean. At 14,000,000 square kilometres, it is the fifth-largest continent. For comparison, Antarctica is nearly twice the size of Australia. About 98% of Antarctica is covered by ice that averages 1.9 km in thickness, which extends to all but the northernmost reaches of the Antarctic Peninsula.

Mount Wyatt Earp

Mount Wyatt Earp is a mainly snow-covered peak, 2,370 m, standing 3 nautical miles (6 km) west-northwest of Mount Ulmer in the north part of Sentinel Range, Antarctica. It is connected to Matsch Ridge and Mount Ulmer by Skamni Saddle.

See also

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Muir Peak

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Haskell Glacier glacier in Antarctica

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Mount Barden

Mount Barden is a mountain, 2,910 m, standing 2.5 nautical miles (4.6 km) northwest of Mount Sharp in the north portion of the Sentinel Range. It surmounts Zhenda Glacier to the east. The mountain was named by the Advisory Committee on Antarctic Names (US-ACAN) for Virgil W. Barden, an ionospheric physicist and member of the 1957 wintering party at Byrd Station.

Bracken Peak

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Cooke Glacier glacier in Antarctica

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Plummer Glacier glacier in Antarctica

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Matsch Ridge

Matsch Ridge is a prominent ridge at an elevation of about 1,830 metres (6,000 ft), extending for 1.5 nautical miles (3 km) in a west-northwest direction from Mount Ulmer in Gromshin Heights on the east side of northern Sentinel Range in the Ellsworth Mountains, Antarctica. It is connected to Mount Wyatt Earp on the west-northwest by Skamni Saddle.

MacDonald Peak

MacDonald Peak is a peak rising to 1,940 metres (6,360 ft) midway between Shockey Peak and Mount Crawford near the north end of the main ridge of the Sentinel Range, Antarctica. It was discovered by Lincoln Ellsworth on his trans-Antarctic flight of November 23, 1935, and was named by the Advisory Committee on Antarctic Names (US-ACAN) in 1961 for William R. MacDonald of the Branch of Special Maps in the United States Geological Survey (USGS) who prepared the 1962 map of this range. Subsequently, MacDonald participated in numerous expeditions to Antarctica to supervise aerial photography used in preparing USGS maps of the continent. At the time of his death in 1977 he was Chief of the Branch of International Activities in the USGS and a member of the US-ACAN, part of the U.S. Board on Geographic Names.

Kellogg Glacier is a glacier about 9 nautical miles (17 km) long at the base of Condor Peninsula on the east side of Palmer Land, Antarctica. The glacier flows southeast along the north side of Boyer Spur and merges with the north side of Gruening Glacier just inland from the northwest head of Hilton Inlet. It was mapped by the United States Geological Survey (USGS) in 1974, and was named by the Advisory Committee on Antarctic Names for geologist Karl S. Kellogg, a member of the USGS Lassiter Coast party in 1972–73.

Mount Rodger is a sharp peak, 1,410 m, at the northwest end of Collier Hills in the Heritage Range in Antarctica. It was mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1961–66 and named by the Advisory Committee on Antarctic Names (US-ACAN) for Rodger A. Brown, meteorologist at Little America V Station in 1958.

Lamb Peak is a conspicuous bare rock peak located 2 nautical miles (4 km) south-southeast of Maagoe Peak in the Gifford Peaks of the Heritage Range, Ellsworth Mountains, Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos from 1961–66, and was named by the Advisory Committee on Antarctic Names for Lieutenant Commander Arthur D. Lamb, who contributed to the success of austral summer resupply activities for three seasons in his capacity as operations and communications officer through U.S. Navy Operation Deep Freeze 1966.

Cairns Glacier

Cairns Glacier is a glacier on the west slope of Vinson Massif, Sentinel Range in Antarctica, situated between Branscomb Glacier and Tulaczyk Glacier. It flows along the northwest side of Brichebor Peak southwestwards, and leaving the range together with Tulaczyk Glacier joins Nimitz Glacier southeast of Klenova Peak.

Della Pia Glacier

Della Pia Glacier is a glacier that descends the east slope of Craddock Massif and flows between Mount Mohl and Elfring Peak into Thomas Glacier in the Sentinel Range, Ellsworth Mountains in Antarctica.

References

PD-icon.svg This article incorporates  public domain material from the United States Geological Survey document "Allen Peak" (content from the Geographic Names Information System ).

United States Geological Survey scientific agency of the United States government

The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology, geography, geology, and hydrology. The USGS is a fact-finding research organization with no regulatory responsibility.

Geographic Names Information System geographical database

The Geographic Names Information System (GNIS) is a database that contains name and locative information about more than two million physical and cultural features located throughout the United States of America and its territories. It is a type of gazetteer. GNIS was developed by the United States Geological Survey in cooperation with the United States Board on Geographic Names (BGN) to promote the standardization of feature names.