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Deception Plateau
Deception Plateau (-73.25°N, 164.83333°W) is a high, ice-covered plateau, 11 nautical miles (20 km) long and 6 nautical miles (11 km) wide, which is bounded by Aviator Glacier, Pilot Glacier and Mount Overlord, in Victoria Land. So named by the southern party of New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1966-67, because of its deceptively small appearance when viewed from a distance.

Decker Glacier
Decker Glacier (-77.46667°N, 162.78333°W) is a steep, narrow glacier that drains the northeast slopes of Mount Newall in the Asgard Range, Victoria Land. Named by Advisory Committee on Antarctic Names (US-ACAN) for Chief Aviation Machinist's Mate William D. Decker, U.S. Navy, of Squadron VXE-6, who died at McMurdo Station on October 11, 1971.

Cape Decouverte
Cape Decouverte (-66.76667°N, 141.55°W) is the point of rocks which marks the northwest extremity of Curzon Islands along Adelie Coast. Discovered on January 21, 1840 by the French Antarctic Expedition under Captain Jules Dumont d'Urville who gave the name "Cap de la Decouverte" (cape of the discovery). It was the first rocky point of the coast seen by members of the expedition.

Mount Dedo
Mount Dedo (-64.65°N, -62.55°W) is a conspicuous needle-like peak, 695 m, standing south of Orne Harbor on the west coast of Graham Land. Charted by the Belgian Antarctic Expedition under Gerlache, 1897-99. The name appears on an Argentine government chart of 1954 and is descriptive, "dedo" meaning finger in Spanish.

Dee Ice Piedmont
Dee Ice Piedmont (-68.66667°N, -66.96667°W) is an ice piedmont between Pavie Ridge and the mouth of Clarke Glacier on the east side of Mikkelsen Bay, west coast of Antarctic Peninsula. Surveyed from the ground by British Graham Land Expedition (BGLE), 1936-37, and by Falkland Islands Dependencies Survey (FIDS), 1948-50. Photographed by Ronne Antarctic Research Expedition (RARE), November 1947 (trimetrogon air photography). Named by United Kingdom Antarctic Place-Names Committee (UK-APC) after John Dee (1527-1608), English mathematician and pioneer teacher of navigation methods for 30 years during a period of great maritime expansion and exploration.

Dee Island
Dee Island (-62.43333°N, -59.78333°W) is an island with a conspicuous sharp peak at its south end, lying 2.5 nautical miles (4.6 km) east of Ongley Island, close off the north side of Greenwich Island in the South Shetland Islands. Charted and named in 1935 by DI personnel on the Discovery II. == See also == * List of antarctic and sub-antarctic islands

Dee Nunatak
Dee Nunatak (-74.46667°N, -136.51667°W) is a rock nunatak which appears to be within the flow of Garfield Glacier, in the west part of McDonald Heights, Marie Byrd Land. The feature lies 1 nautical mile (1.9 km) west of Rhodes Icefall. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1959-65. Named by Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant Thomas H. Dee, U.S. Navy, Medical Officer at Byrd Station, 1970.

Mount Deeley
Mount Deeley (-67.01667°N, -66.21667°W) is a mountain 2,150 m, standing 6 nautical miles (11 km) northeast of Salmon Cove in Graham Land. Mapped from air photos taken by Falkland Islands and Dependencies Aerial Survey Expedition (FIDASE), 1956-57. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for Richard M. Deeley, British geologist who made important investigations of the structure and flow of glaciers.

Deep Freeze Range
Deep Freeze Range (-74.25°N, 163.75°W) is a rugged mountain range, over 80 nautical miles (150 km) long and about 10 nautical miles (18 km) wide, rising between Priestley and Campbell Glaciers in Victoria Land and extending from the edge of the polar plateau to Terra Nova Bay. Peaks in the low and mid portions of the range were observed by early British expeditions to the Ross Sea. The range was mapped in detail by the United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1955-63. Named by Advisory Committee on Antarctic Names (US-ACAN) in recognition of the splendid support to research provided by the U.S. Navy's Operation Deep Freeze expeditions to Antarctica for many years beginning in 1954.

Deep Lake
Deep Lake (-77.56667°N, 166.21667°W) is a small elongate lake 0.5 nautical miles (0.9 km) north of Cape Barne, Ross Island. The descriptive name was applied by the British Antarctic Expedition, 1907-09.

Defant Bank
Defant Bank (-76.83333°N, -31.66667°W) is a bank in the Weddell Sea amed for Albert Defant (1884-1974), physician, oceanographer/geophysicist specializing in tides. Name proposed by Dr. Heinrich Hinze, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany. Name approved 6/97 (ACUF 271).

Defant Glacier
Defant Glacier (-72.53333°N, -61.58333°W) is a glacier 2 nautical miles (3.7 km) wide at its mouth, which flows east-southeast to the west side of Violante Inlet, on the east coast of Palmer Land. Discovered and photographed from the air in December 1940 by the United States Antarctic Service (USAS). During 1947 the glacier was photographed from the air by members of the Ronne Antarctic Research Expedition (RARE), who in conjunction with the Falkland Islands Dependencies Survey (FIDS) charted it from the ground. Named by the FIDS for Professor Albert Defant, German oceanographer (Austrian born) who was Director of the Inst. fur Meereskunde (German Hydrographic Office), 1927-46.

The Defile
The Defile (-77.65°N, 162.71667°W) is a narrow ice-free passageway between the terminus of Suess Glacier and the talus-covered slope of Nussbaum Riegel in Taylor Valley, Victoria Land. Charted and descriptively named by the British Antarctic Expedition under Scott, 1910-13.

Mount Degerfeldt
Mount Degerfeldt (-66.96667°N, 51.01667°W) is a mountain 3.5 nautical miles (6 km) south of Mount Storer, in the Tula Mountains in Enderby Land. Plotted from air photos taken from ANARE (Australian National Antarctic Research Expeditions) aircraft in 1956 and 1957. Named by Antarctic Names Committee of Australia (ANCA) for C. Degerfeldt, a member of the crew of the Discovery during the British Australian New Zealand Antarctic Research Expedition (BANZARE), 1929-31.

Deildedalen Valley
Deildedalen Valley (-71.4°N, 12.71667°W) is a small valley partly filled with ice and opening to the north, lying between Mount Deildenapen and a similar mountain mass just westward in the Ostliche Petermann Range, Wohlthat Mountains, Queen Maud Land. Discovered and plotted from air photos by German Antarctic Expedition, 1938-39. Replotted from air photos and surveys by Norwegian Antarctic Expedition, 1956-60, and named Deildedalen (the dividing valley).

Deildegasten Ridge
Deildegasten Ridge (-71.48333°N, 12.7°W) is a ridge about 5 nautical miles (9 km) long which rises just south of Deildedalen Valley in Ostliche Petermann Range, Wohlthat Mountains, Queen Maud Land. Discovered and plotted from air photos by German Antarctic Expedition, 1938-39. Replotted from air photos and surveys by Norwegian Antarctic Expedition, 1956-60, and named Deildegasten.

Mount Deildenapen
Mount Deildenapen (-71.4°N, 12.76667°W) is a broad mountain mass rising to 2,050 m and forming the east wall of Deildedalen Valley in the Ostliche Petermann Range, Wohlthat Mountains. Discovered and plotted from air photos by German Antarctic Expedition, 1938-39. Replotted from air photos and surveys by Norwegian Antarctic Expedition, 1956-60, and named Deildenapen (the dividing mountain).

Deimos Ridge
Deimos Ridge (-71.93333°N, -68.6°W) is a prominent, narrow rocky spur of sandstone and shales, 3 nautical miles (6 km) southwest of Phobos Ridge and Mars Glacier in the southeast corner of Alexander Island. First seen from the air by Lincoln Ellsworth on November 23, 1935, and mapped from photos obtained on that flight by W.L.G. Joerg. First surveyed in 1949 by the Falkland Islands Dependencies Survey (FIDS) and named by the United Kingdom Antarctic Place-Names Committee (UK-APC) for its association with Mars Glacier, Deimos being the outer of two satellites of Mars.

Dekefjellet Mountain
Dekefjellet Mountain (-71.96667°N, 13.41667°W) is an elongated mountain, about 3 nautical miles (6 km) long and surmounted by Kamskaya Peak, standing 1.5 nautical miles (2.8 km) west of Skavlrimen Ridge in the Weyprecht Mountains, Queen Maud Land. The feature is partly rock and partly covered with snow. Discovered and plotted from air photos by German Antarctic Expedition, 1938-39. The mountain was replotted from air photos and surveys by Norwegian Antarctic Expedition, 1956-60, and named Dekefjellet.

Dekefjellrantane Hills
Dekefjellrantane Hills (-72.03333°N, 13.38333°W) is a group of rock hills at the south end of the Weyprecht Mountains in Queen Maud Land. Photographed from the air by the German Antarctic Expedition (1938-39). Mapped by Norwegian cartographers from surveys and air photos by the Norwegian Antarctic Expedition (1956-60) and named Dekefjellrantane in association with nearby Dekefjellet Mountain.

Delaite Island
Delaite Island (-64.55°N, -62.2°W) is an island 1 nautical mile (1.9 km) long, lying 3 nautical miles (6 km) northeast of Emma Island in the north-central portion of Wilhelmina Bay, off the west coast of Graham Land. Discovered by the Belgian Antarctic Expedition, 1897-99, under Gerlache, and named by him for J. Delaite, a supporter of the expedition. == See also == * List of antarctic and sub-antarctic islands

Delay Point
Delay Point (-66.45°N, 98.25°W) is a rocky bluff rising to 185 m on the west side of Melba Peninsula, about 6 nautical miles (11 km) west of Cape Charcot. Discovered by the Australasian Antarctic Expedition under Mawson, 1911-14, and so named by the Eastern Sledge Party of the Western Base because bad weather delayed the party near here for several days in November 1912.

Mount Deleon
Mount Deleon (-80.85°N, 159.95°W) is a mainly ice-free mountain, 780 m, located along the south side of Entrikin Glacier, 9 nautical miles (17 km) west-northwest of Cape Douglas. Named by Advisory Committee on Antarctic Names (US-ACAN) for Emilio A. Deleon, hauling equipment operator, U.S. Navy, a member of the Byrd Station party, 1963.

Delinski Glacier
Delinski Glacier (-77.48333°N, 160.43333°W) is a glacier flowing south into Wright Upper Glacier between McAllister Hills and Prentice Plateau, Victoria Land. Named by Advisory Committee on Antarctic Names (US-ACAN) (2004) after George F. Delinski, Jr., Geography Discipline, U.S. Geological Survey, cartographic technician in the preparation of United States Geological Survey (USGS) maps of Antarctica, 1966-2004.

Delius Glacier
Delius Glacier (-69.61667°N, -71.05°W) is a glacier, 6 nautical miles (11 km) long and 2 nautical miles (3.7 km) wide, flowing west from Elgar Uplands into Nichols Snowfield, in the north part of Alexander Island. First seen from the air and roughly mapped by the British Graham Land Expedition (BGLE) in 1937. More accurately mapped from air photos taken by the Ronne Antarctic Research Expedition (RARE), 1947-48, by Searle of the Falkland Islands Dependencies Survey (FIDS) in 1960, and from U.S. Landsat imagery of February 1975. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) after Frederick Delius (1862-1934), British composer.

Deliverance Point
Deliverance Point (-65.3°N, -64.11667°W) is a rocky point 2.5 nautical miles (4.6 km) south of Cape Tuxen on the west coast of Graham Land. Discovered by the French Antarctic Expedition, 1908-10, under Charcot. So named because Charcot and two companions were rescued here after being separated from the ship Pourquoi-Pas? for several days, while on an exploration of the area in a small boat.

Dellbridge Islands
Dellbridge Islands (-77.66667°N, 166.41667°W) is a group of small volcanic islands lying in McMurdo Sound, just south of Cape Evans, Ross Island. Discovered by the Discovery expedition (1901-04) under Scott, who named them for James H. Dellbridge, second engineer with the expedition. == See also == * List of antarctic and sub-antarctic islands

Deloncle Bay
Deloncle Bay (-65.08333°N, -63.93333°W) is a bay, 1.5 nautical miles (2.8 km) long, indenting the west coast of Graham Land between Loubat and Glandaz Points and opening on Lemaire Channel opposite Booth Island. Discovered by the Belgian Antarctic Expedition, 1897-99. Recharted by the French Antarctic Expedition, 1903-05, and named by Charcot for Francois Deloncle, French diplomat.

Delta Bluff
Delta Bluff (-78.68333°N, 161.36667°W) is a steep triangular rock bluff immediately north of the mouth of Delta Glacier, on the west side of Skelton Glacier. Surveyed and climbed in 1957 by the New Zealand party of the Commonwealth Trans-Antarctic Expedition (1956-58) and so named because of the shape of the bluff.

Delta Glacier
Delta Glacier (-78.7°N, 161.33333°W) is a glacier descending steeply from the Worcester Range between Northcliffe Peak and Delta Bluff to enter the west side of Skelton Glacier. It was provisionally named "Cascade Glacier" because of its broken lower icefalls by the New Zealand party of the Commonwealth Trans-Antarctic Expedition, 1956-58. As this name is a duplication, they renamed the glacier after nearby Delta Bluff.

Delta Island
Delta Island (-64.31667°N, -62.98333°W) is an island 0.5 nautical miles (0.9 km) long, lying close southeast of Lambda Island and east of Alpha Island in the Melchior Islands, Palmer Archipelago. The name, derived from the fourth letter of the Greek alphabet, was probably given by DI personnel who roughly surveyed the island in 1927. The island was surveyed by Argentine expeditions in 1942, 1943 and 1948. == See also == * List of antarctic and sub-antarctic islands

Delta Peak
Delta Peak (-86.58333°N, -147.5°W) is a very sharp peak marking a pronounced corner point on Ackerman Ridge, 6 nautical miles (11 km) northeast of Mount Gjertsen, in La Gorce Mountains. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960-64. So named by New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1969-70, because as seen from the south the colorful rock strata present a well visible form that is suggestive of the Greek letter "Delta."

Delta Stream
Delta Stream (-77.63333°N, 163.11667°W) is a small meltwater stream flowing from Howard Glacier into Lake Fryxell in Taylor Valley, Victoria Land. First studied on the ground by Troy L. Pewe during U.S. Navy Operation Deepfreeze, 1957-58, and so named by him because the stream has a series of deltas along its length which have been cut through as the stream was rejuvenated, the rejuvenation being caused by the lowering of the former glacial lake.

Delusion Point
Delusion Point (-65.38333°N, -62°W) is a point which marks the east end of a rocky range which forms the south wall of Crane Glacier, on the east coast of Graham Land. The feature was photographed from the air by Sir Hubert Wilkins on a flight of December 20, 1928. Named by the Falkland Islands Dependencies Survey (FIDS), who charted it in 1947.

Mount Demaria
Mount Demaria (-65.28333°N, -64.1°W) is a mountain with precipitous sides, 635 m, rising immediately southeast of Cape Tuxen on the west coast of Graham Land. Probably first sighted by the Belgian Antarctic Expedition, 1897-99. Charted by the French Antarctic Expedition, 1903-05, and named by Charcot for the Demaria brothers, French developers of an anastigmatic lens used by the expedition's photographic section.

Demas Bluff
Demas Bluff (-76.56667°N, -144.83333°W) is a rock bluff on the south side of the Fosdick Mountains, 2 nautical miles (3.7 km) west of Mount Richardson, in the Ford Ranges of Marie Byrd Land. Mapped by United States Antarctic Service (USAS) (1939-41) under R. Admiral R.E. Byrd. Named for Dr. Charles J. Demas who provided medical assistance and supplies for the Byrd Antarctic Expedition (1933-35) and USAS (1939-41).

Demas Ice Tongue
Demas Ice Tongue (-72.28333°N, -103.11667°W) is a conspicuous ice tongue, about 20 nautical miles (37 km) long, extending west from Abbot Ice Shelf of Peacock Sound into Amundsen Sea. Discovered by members of the United States Antarctic Service (USAS) in flights from the Bear, February 1940, and named after E.J. Demas (d. 1979), member of the Byrd Antarctic Expedition of 1928-30 and 1933-35.

Demas Range
Demas Range (-75°N, -133.75°W) is a range about 8 nautical miles (15 km) long that forms the lower east margin of the Berry Glacier in Marie Byrd Land. The range trends north-south culminating in Mount Goorhigian (1,115 m). Discovered by the United States Antarctic Service (USAS), 1939-41, led by Admiral R.E. Byrd. Named by Advisory Committee on Antarctic Names (US-ACAN) for E.J. "Pete" Demas, a member of the Byrd Antarctic Expeditions of 1928-30 and 1933-35.

Demas Rocks
Demas Rocks (-63.35°N, -58.03333°W) is a group of rocks off the northwest coast of Trinity Peninsula in the approach to Huon Bay, 3 nautical miles (6 km) northeast of Cape Ducorps. Discovered in March 1838 by Captain Jules Dumont d'Urville, who named the rocks for Lieutenant Francois Barlatier Demas of the expedition ship Astrolabe. The rocks were surveyed by Falkland Islands Dependencies Survey (FIDS) in 1946.

Demay Point
Demay Point (-62.21667°N, -58.43333°W) is a point which forms the west side of the entrance to Admiralty Bay, King George Island, in the South Shetland Islands. This point was known to sealers as early as 1822. It was named almost 100 years later by the French Antarctic Expedition, 1908-10, under Charcot.

Demidov Island
Demidov Island (-67.48333°N, 48.35°W) is a small island 5 nautical miles (9 km) north of the mouth of Rayner Glacier and 9 nautical miles (17 km) southwest of Hydrographer Islands along the coast of Enderby Land. It appears that the island was mapped by both ANARE (Australian National Antarctic Research Expeditions) and the Soviet expedition in 1957. Named by the Soviet expedition for Lieutenant Dimitri Demidov of the Russian expedition of 1819-21 under Bellingshausen. == See also == * List of antarctic and sub-antarctic islands

Cape Demidov
Cape Demidov (-54.13333°N, -37.73333°W) is a cape which forms the south side of the entrance to Wilson Harbor, on the south coast and near the west end of South Georgia. Discovered by a Russian expedition under Bellingshausen in 1819, and named for Lieutenant Dimitri Demidov of the Vostok.

Deming Glacier
Deming Glacier (-72°N, 168.5°W) is a tributary glacier flowing along the north side of Novasio Ridge to enter Man-o-War Glacier, in the Admiralty Mountains, Victoria Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960-63. Named by Advisory Committee on Antarctic Names (US-ACAN) for Ralph A. Deming, AE1, U.S. Navy, Squadron VX-6 Aviation Electrician at McMurdo Station, 1967.

Demon Point
Demon Point (-57.05°N, -26.66667°W) is a spit of coarse boulders which forms the northeast tip of Candlemas Island, South Sandwich Islands. It was charted and named Spit Point by personnel on RRS Discovery II in 1930, but that name was changed to avoid duplication. The new name applied by United Kingdom Antarctic Place-Names Committee (UK-APC) in 1971 continues a theme of features named after mythical monsters on this island.

Demorest Glacier
Demorest Glacier (-67.36667°N, -65.58333°W) is a glacier which flows southeast into Whirlwind Inlet between Flint and Matthes Glaciers, on the east coast of Graham Land. Discovered by Sir Hubert Wilkins on a flight of December 20, 1928, and photographed from the air by the United States Antarctic Service (USAS) in 1940. Charted by the Falkland Islands Dependencies Survey (FIDS) in 1947 and named for Max H. Demorest, American glaciologist.

Den Hartog Peak
Den Hartog Peak (-84.33333°N, 178.86667°W) is a small peak at the west side of the mouth of Ramsey Glacier, 3 nautical miles (6 km) southeast of Woodall Peak. Discovered and photographed by the United States Antarctic Service (USAS) on Flight C of February 29-March 1, 1940, and surveyed by A.P. Crary in 1957-58. Named by Crary for Stephen Den Hartog, who was glaciologist on the Victoria Land Traverse Party (1958-59), and wintered at Little America V, 1958.

Denais Stack
Denais Stack (-62.13333°N, -58.5°W) is a conspicuous rock stack lying 1.5 nautical miles (2.8 km) north of Point Thomas on the west side of Admiralty Bay, King George Island, in the South Shetland Islands. The name "Anse Denais," for one of the seamen on the Pourquoi-Pas?, was given in 1908-10 by the French Antarctic Expedition under Charcot to a cove on the north side of Ezcurra Inlet. Recent air photos show no cove in this position and the name Denais has been transferred to the feature now described in order to preserve Charcot's naming in the area.

Mount Denauro
Mount Denauro (-86.45°N, -151.5°W) is a mountain, 2,340 m, standing on the west side of Scott Glacier, 3 nautical miles (6 km) south of Lee Peak, in the Queen Maud Mountains. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960-64. Named by Advisory Committee on Antarctic Names (US-ACAN) for Ralph Denauro, aviation mechanic with U.S. Navy Squadron VX-6 on Operation Deep Freeze 1966.

Dendtler Island
Dendtler Island (-73.01667°N, -90.21667°W) is an ice-covered island, 14 nautical miles (26 km) long, lying in the east part of Abbot Ice Shelf between Farwell Island and Fletcher Peninsula. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960-66. Named by Advisory Committee on Antarctic Names (US-ACAN) for Maj. Robert Dendtler, USA, coordinating officer on the staff of the Commander, U.S. Navy Support Force, Antarctica, during Deep Freeze 1967 and 1968. == See also == * List of antarctic and sub-antarctic islands

Denfeld Mountains
Denfeld Mountains (-76.91667°N, -144.75°W) is a group of scattered mountains between Crevasse Valley Glacier and Arthur Glacier in the Ford Ranges of Marie Byrd Land. The mountains were explored by the Byrd Antarctic Expeditions (1928-30 and 1933-35) and by the United States Antarctic Service (USAS) (1939-41) all led by R. Admiral R.E. Byrd. Named for Admiral Louis E. Denfeld, Chief of Naval Operations and a member of the joint Chiefs of Staff (1947-49), who helped in the planning and organization of Operation Highjump (1946-47) for which Byrd was leader.

Mount Denham
Mount Denham (-66.91667°N, 52.31667°W) is a mountain 1 nautical mile (1.9 km) northwest of Mount Keyser, in the east part of the Tula Mountains in Enderby Land. Plotted from air photos taken from ANARE (Australian National Antarctic Research Expeditions) aircraft in 1957. Named by Antarctic Names Committee of Australia (ANCA) for W.M. Denham, weather observer at Mawson Station in 1961.

Mount Denholm
Mount Denholm (-68.2°N, 49.11667°W) is a mountain 1 nautical mile (1.9 km) southeast of Mount Marriner in the Nye Mountains. Mapped from air photos taken from ANARE (Australian National Antarctic Research Expeditions) aircraft in 1956. Named by Antarctic Names Committee of Australia (ANCA) for J. Denholm, physicist at Wilkes Station in 1959.

Deniau Island
Deniau Island (-65.45°N, -64.31667°W) is a small island lying midway between Darboux Island and Lippmann Islands, off the west coast of Graham Land. Discovered by the French Antarctic Expedition, 1908-10, and named by Charcot for Monsieur Deniau, a donor of numerous gifts to the expedition. == See also == * List of antarctic and sub-antarctic islands

Denison Island
Denison Island (-66.3°N, 110.45°W) is an island lying 0.25 nautical miles (0.5 km) west of Beall Island in the Windmill Islands. First mapped from air photos taken by U.S. Navy Operation Highjump and Operation Windmill in 1947 and 1948. Named by the Advisory Committee on Antarctic Names (US-ACAN) for Dean R. Denison, auroral scientist and member of the Wilkes Station party of 1958. == See also == * List of antarctic and sub-antarctic islands

Cape Denison
Cape Denison (-67°N, 142.66667°W) is a rocky point at the head of Commonwealth Bay. Discovered in 1912 by the Australasian Antarctic Expedition (1911-14) under Douglas Mawson, who named it for Sir Hugh Denison of Sydney, a patron of the expedition. The feature was the site of the Australasian Antarctic Expedition Main Base.

Denman Glacier
Denman Glacier (-66.75°N, 99.5°W) is a glacier 7 to 10 nautical miles (18 km) wide, descending north some 70 nautical miles (130 km), and debouching into Shackleton Ice Shelf east of David Island. Discovered in November 1912 by the Australasian Antarctic Expedition under Mawson, who named it for Lord Denman, Governor-General of Australia in 1911, a patron of the expedition.

Dennes Point
Dennes Point (-76.68333°N, 159.75°W) is a dolerite point projecting into Shimmering Icefield from the western side of Shipton Ridge, in the Allan Hills of Victoria Land. Reconnoitered by the New Zealand Antarctic Research Program (NZARP) Allan Hills Expedition (1964) who named it after a similar dolerite feature on Bruny Island, Tasmania.

Dennison Reef
Dennison Reef (-66.48333°N, -66.83333°W) is a reef between Shull Rocks and Pauling Islands, lying east of the south end of the Biscoe Islands in Crystal Sound. Mapped from air photos obtained by the Ronne Antarctic Research Expedition (RARE) (1947-48) and surveys by Falkland Islands Dependencies Survey (FIDS) (1958-59). Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for David M. Dennison, British physicist who took x-ray diffraction pictures which were used to interpret the crystal structure of ice.

Dennistoun Glacier
Dennistoun Glacier (-71.18333°N, 168°W) is a glacier, 50 nautical miles (90 km) long, draining the north slopes of Mounts Black Prince, Royalist and Adam in the Admiralty Mountains of Victoria Land. It flows northwest between Lyttelton Range and Dunedin Range, turning east on rounding the latter range to enter the sea south of Cape Scott. The coastal extremity of the glacier was charted in 1911-12 by the Northern Party, led by Victor Campbell, of the British Antarctic Expedition, 1910-13. It is named for James R. Dennistoun, New Zealand alpinist who was in charge of the mules on board the Terra Nova on her way to Antarctica. The entire extent of the glacier was mapped by United States Geological Survey (USGS) from surveys and U.S. Navy aerial photography, 1960-63. The name Fowlie Glacier, a tributary glacier, has been inadvertently misapplied to this feature.

Dentine Peak
Dentine Peak (-71.58333°N, 163.73333°W) is the highest peak (2,210 m) in the northeast portion of Molar Massif, Bowers Mountains. Named from association with Molar Massif by geologist R.A. Cooper, leader of New Zealand Antarctic Research Program (NZARP) paleontological parties to this area, 1974-75 and 1981-82.

Denton Glacier
Denton Glacier (-77.48333°N, 162.6°W) is a small hanging glacier which drains the northwest slopes of Mount Newall and terminates on the south wall of Wright Valley, Victoria Land. Named by U.S. geologist Robert Nichols for George Denton, geological assistant to Nichols at nearby Marble Point in the 1958-59 field season.

Denton Hills
Denton Hills (-78.08333°N, 163.91667°W) is a group of rugged foothills, 24 nautical miles (44 km) long SW-NE and 9 nautical miles (17 km) wide, to the east of Royal Society Range on Scott Coast, Victoria Land. The feature comprises a series of E-trending ridges and valleys circumscribed by Howchin Glacier, Armitage Saddle, Blue Glacier, the coast, and Walcott Bay. The highest summits, Mount Kowalczyk (1,703 m) and Goat Mountain (1,634 m) rise from Hobbs Ridge in the north part of the foothills. Elevations decrease southward as in Kahiwi Maihao Ridge (1,045 m) near the center of the group and Xanadu Hills (820 m) at the south end. The principal glaciers (Hobbs, Blackwelder, Salmon, Garwood, Joyce, Rivard, Miers, Adams, Ward) flow east but have receded, leaving several dry valleys. Discovered and roughly mapped by the Discovery expedition, 1901-04, under R.F. Scott. The hills were mapped in detail by United States Antarctic Research Program (USARP) and New Zealand Antarctic Research Program (NZARP) personnel in the years following the IGY, 1957-58. Named by Advisory Committee on Antarctic Names (US-ACAN) (1999) after Professor George H. Denton (Denton Glacier) of the Department of Geological Sciences and Institute for Quaternary Studies, University of Maine, Orono, who conducted geological research in the Transantarctic Mountains and Victoria Land (including work in these hills), 1958-99, making more than 25 visits to Antarctica.

Mount Denuce
Mount Denuce (-66.71667°N, -64.2°W) is a rounded mountain, 1,535 m, between Mounts Hulth and Haskell on the southwest side of Cabinet Inlet, on the east coast of Graham Land. Charted by the Falkland Islands Dependencies Survey (FIDS) and photographed from the air by the Ronne Antarctic Research Expedition (RARE) in December 1947. Named by the FIDS for Jean Denuce, Belgian polar bibliographer.

Departure Rocks
Departure Rocks (-67.61667°N, 62.81667°W) is a group of 4 steep-sided rocks lying 1 nautical mile (1.9 km) north of Peake-Jones Rock in Holme Bay, Mac. Robertson Land. Mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936-37. So named by Antarctic Names Committee of Australia (ANCA) because ANARE (Australian National Antarctic Research Expeditions) parties going west from Mawson Station on the sea ice always pass through or close to these rocks.

Depeaux Point
Depeaux Point (-65.18333°N, -64.16667°W) is a point forming the south end of Petermann Island, in the Wilhelm Archipelago. Discovered and named by the French Antarctic Expedition, 1908-10, under Charcot.

Depot Glacier
Depot Glacier (-63.41667°N, -57.05°W) is a well-defined valley glacier, flanked by lateral moraines, which terminates in a high vertical ice cliff at the head of Hope Bay, in the northeast end of Antarctic Peninsula. Discovered by the Swedish Antarctic Expedition, 1901-04, under Nordenskjold, and so named by him because, as seen from Antarctic Sound, it appeared to be a possible site for a depot.

Depot Island
Depot Island (-66.93333°N, 57.31667°W) is a small island in the Oygarden Group, lying 1 nautical mile (1.9 km) north of the west end of Shaula Island. Mapped by Norwegian cartographers from aerial photographs taken by the Lars Christensen Expedition, 1936-37. So named by Antarctic Names Committee of Australia (ANCA) because a depot was established there by the ANARE (Australian National Antarctic Research Expeditions) during 1956. == See also == * List of antarctic and sub-antarctic islands

Depot Island
Depot Island (-76.7°N, 162.96667°W) is a small granite island lying 2 nautical miles (3.7 km) northwest of Cape Ross, off the coast of Victoria Land. Discovered by the South Magnetic Pole Party of the British Antarctic Expedition (1907-09) and so named by them because they put a depot of rock specimens on this island. == See also == * List of antarctic and sub-antarctic islands

Depot Island
Depot Island (-66.61667°N, 140.08333°W) is a small rocky island 0.1 nautical miles (0.2 km) long, 0.6 nautical miles (1.1 km) northwest of Pasteur Island. near the center of the Dumoulin Islands. Photographed from the air by U.S. Navy Operation Highjump, 1946-47. Charted by the French Antarctic Expedition, 1950-51, and so named because personnel on the expedition ship the party which surveyed the area. == See also == * List of antarctic and sub-antarctic islands

Depot Nunatak
Depot Nunatak (-77.75°N, 160.06667°W) is a nunatak, 1,980 m, standing at the west side of Cassidy Glacier and Quartermain Mountains in Victoria Land. Nearly vertical cliffs of columnar dolerite rise 150 m above glacier level at the east end. So named by the Discovery expedition (1901-04), on their western journey in 1903, because they made a food depot there, for use on their return.

Depot Peak
Depot Peak (-69.03333°N, 64.6°W) is a solitary nunatak, with a single needle-shaped peak, lying about 37 nautical miles (70 km) north of Stinear Nunataks in Mac. Robertson Land. Discovered by an ANARE (Australian National Antarctic Research Expeditions) party led by R.G. Dovers during a southern journey in December 1954, and so named because a depot was established in the vicinity.

Derby Island
Derby Island (-66.63333°N, 140.08333°W) is a small rocky island close north of Astrolabe Glacier Tongue, lying 0.5 nautical miles (0.9 km) southwest of Pasteur Island at the south end of the Dumoulin Islands. Photographed from the air by U.S. Navy Operation Highjump, 1946-47. Charted by the French Antarctic Expedition, 1949-51, and so named because French field parties competed against each other for the honor of being first to reach the island area. == See also == * List of antarctic and sub-antarctic islands

Derbyshire Peak
Derbyshire Peak (-72.51667°N, 161.1°W) is a small rock peak 5 nautical miles (9 km) north-northeast of Mount Weihaupt in the Outback Nunataks. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1959-64. Named by Advisory Committee on Antarctic Names (US-ACAN) for Edward Derbyshire, geologist at McMurdo Station, 1966-67.

Mount Dergach
Mount Dergach (-70.6°N, 163.01667°W) is a flat-topped, ice-covered mountain located just west of Ob' Bay and south of Lunik Point, in the Bowers Mountains. Photographed from the air by U.S. Navy Operation Highjump, 1946-47. Surveyed by Soviet Antarctic Expedition in 1958 and named after meteorologist A.P. Dergach, a member of Soviet Antarctic Expedition, 1959-61, who perished in a fire at Mirnyy Station on August 3, 1960.

Derocher Peninsula
Derocher Peninsula (-71.41667°N, -73.33333°W) is a snow-covered peninsula between Brahms Inlet and Mendelssohn Inlet on the north side of Beethoven Peninsula, Alexander Island. Photographed from the air by Ronne Antarctic Research Expedition (RARE), 1947-48, and mapped from these photographs by D. Searle of Falkland Islands Dependencies Survey (FIDS), 1960. Named by Advisory Committee on Antarctic Names (US-ACAN) after Commander Paul J. Derocher, U.S. Navy, Commanding Officer, Antarctic Development Squadron Six (VXE-6), May 1985 to May 1986.

Mount Derom
Mount Derom (-71.56667°N, 35.63333°W) is a massif (2,400 m) standing 2 nautical miles (3.7 km) south of Mount Eyskens in the Queen Fabiola Mountains. Discovered on October 7, 1960 by the Belgian Antarctic Expedition under the leadership of Guido Derom. Named for Derom by the Centre National de Recherches Polaires de Belgique.

Derrick Peak
Derrick Peak (-80.06667°N, 156.38333°W) is a prominent ice-free peak, 2,070 m, overlooking the south side of Hatherton Glacier, 3 nautical miles (6 km) west of the north end of Johnstone Ridge. Named by Advisory Committee on Antarctic Names (US-ACAN) for Robert O. Derrick of the U.S. Weather Bureau, who served as assistant to the United States Antarctic Research Program (USARP) Representative at Christchurch from 1960 until his death in 1966.

Mount Deryugin
Mount Deryugin (-71.85°N, 11.33333°W) is a mountain, 2,635 m, on Vindegga Spur in the Liebknecht Range, Humboldt Mountains, in Queen Maud Land. Discovered and plotted from air photos by German Antarctic Expedition, 1938-39. Mapped from air photos and surveys by Norwegian Antarctic Expedition, 1956-60; remapped by Soviet Antarctic Expedition, 1960-61, and named after Soviet zoologist K.M. Deryugin.

DesRoches Nunataks
DesRoches Nunataks (-84.88333°N, -67.13333°W) is a two nunataks standing 3 nautical miles (6 km) east of Postel Nunatak in southwestern Patuxent Range, Pensacola Mountains. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1956-66. Named by Advisory Committee on Antarctic Names (US-ACAN) for Joseph DesRoches, meteorologist at South Pole Station, winter 1967.

Descartes Island
Descartes Island (-66.78333°N, 141.48333°W) is a rocky island 0.1 nautical miles (0.2 km) long, midway between Lagrange Island and La Conchee and 0.9 nautical miles (1.7 km) north-northeast of Cape Mousse. Charted in 1951 by the French Antarctic Expedition and named after Rene Descartes (1596-1650), French mathematician and philosopher. == See also == * List of antarctic and sub-antarctic islands

Descent Cliff
Descent Cliff (-77.71667°N, 166.88333°W) is a cliff on the west side of Hut Point Peninsula, between Hutton Cliffs and Erebus Glacier Tongue, on Ross Island. Charted and so named by the British Antarctic Expedition under Scott, 1910-13, because it was here that a descent to the sea ice was made.

Descent Glacier
Descent Glacier (-77.85°N, 162.86667°W) is a short, steep glacier between Briggs Hill and Condit Glacier, flowing northwest from Descent Pass into Ferrar Glacier, in Victoria Land. So named because of the adventurous descent made here by the party led by Armitage of the Discovery expedition, 1901-04. The name seems to have been first used on maps of the British Antarctic Expedition, 1910-13.

Descent Pass
Descent Pass (-77.86667°N, 163.08333°W) is a pass leading from Blue Glacier to Ferrar Glacier, in Victoria Land. So named by the party led by Armitage of the Discovery expedition (1901-04) because of the adventurous descent to Ferrar Glacier made here via Descent Glacier in 1902.

Deschampsia Point
Deschampsia Point (-60.68333°N, -45.63333°W) is a point on the northwest side of Signy Island, South Orkney Islands, 0.3 nautical miles (0.6 km) northeast of Spindrift Rocks. Descriptively named following British Antarctic Survey (BAS) ecological research after the Antarctic hair grass point. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1991.

Deschanel Peak
Deschanel Peak (-68.91667°N, -67.23333°W) is the summit of an isolated, partly ice-covered mountain, 750 m, rising from the south part of the glacier close southeast of Cape Berteaux on the west coast of Antarctic Peninsula. The approved name derives from "Sommet Deschanel" given by J.B. Charcot, leader of the French Antarctic Expedition, in January 1909.

Desko Mountains
Desko Mountains (-69.61667°N, -72.38333°W) is a WNW-ESE mountain range on Rothschild Island, off northwest Alexander Island. The range spans 20 nautical miles (37 km) from Bates Peak to Overton Peak and rises to about 1,000 m at Enigma Peak, Fournier Ridge. Seen (in part) from a distance by Bellingshausen, 1821, and Charcot, 1909, but the nature of the feature remained obscure. The range was photographed from the air by U.S. Navy Operation Highjump and Ronne Antarctic Research Expedition (RARE) in 1947 and mapped from these air photographs by D. Searle of Falkland Islands Dependencies Survey (FIDS) in 1960. The range is further defined in U.S. Navy air photographs, 1966, and Landsat imagery, 1975. Named by Advisory Committee on Antarctic Names (US-ACAN) for Commander Daniel A. Desko, U.S. Navy, Commanding Officer, Squadron VXE-6, Operation Deep Freeze, 1977; LC-130 aircraft commander, 1976.

Desolation Island
Desolation Island (-62.46667°N, -60.36667°W) is a v-shaped island lying in the entrance to Hero Bay, 5 nautical miles (9 km) west of Williams Point, Livingston Island, in the South Shetland Islands. Discovered in January 1820 by a British expedition under Bransfield, and so named by him because of its desolate appearance. == See also == * List of antarctic and sub-antarctic islands

Despair Rocks
Despair Rocks (-60.55°N, -46.16667°W) is a group of rocks 2 nautical miles (3.7 km) south of Melsom Rocks and 7.5 nautical miles (14 km) west-southwest of Penguin Point, the northwest tip of Coronation Island, in the South Orkney Islands. Discovered and named by Captain Nathaniel B. Palmer, an American sealer in the sloop James Monroe, and Captain George Powell, a British sealer in the sloop Dove, in the course of their joint cruise in December 1821.

Dessent Ridge
Dessent Ridge (-73.41667°N, 166.61667°W) is a mountainous, ice-covered ridge situated 5 nautical miles (9 km) east of Mount Murchison in the Mountaineer Range of Victoria Land. The ridge trends north-south for 10 miles. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960-64. Named by Advisory Committee on Antarctic Names (US-ACAN) for Joseph E. Dessent, meteorologist at Hallett Station, 1961.

Destination Nunataks
Destination Nunataks (-72.25°N, 165.46667°W) is a group of peaks and nunataks, 9 nautical miles (17 km) long and 4 nautical miles (7 km) wide, rising to 2,565 m at Pyramid Peak and including Sphinx Peak, Andrews Peak, Mummy Ridge, and unnamed nunataks to the northwest, located in northeast Evans Neve, 7 nautical miles (13 km) northwest of Barker Range, Victoria Land. This group was visited in 1970-71 by a Victoria University of Wellington Antarctic Expedition (VUWAE) geological party led by M.G. Laird. The name "Destination Rocks" was originally used for the feature because these nunataks were near the northern limits of Laird's expedition. The name Destination Nunataks, as approved by the New Zealand Antarctic Place-Names Committee (NZ-APC) and Advisory Committee on Antarctic Names (US-ACAN) in 1985, applies to the entire group described rather than to two nunataks at the southeast end as indicated on some maps.

Destruction Bay
Destruction Bay (-61.98333°N, -57.65°W) is a bay 5.5 nautical miles (10 km) wide, lying between Taylor Point and Cape Melville on the east side of King George Island, South Shetland Islands. Charted and named Bay of Destruction in 1821 by Richard Sherratt, Master of the Lady Trowbridge from Liverpool, probably because it was in this vicinity that his vessel was wrecked on Christmas Day, 1820.

Detaille Island
Detaille Island (-66.86667°N, -66.8°W) is a small island lying 2 nautical miles (3.7 km) northwest of Andresen Island in the entrance of Lallemand Fjord, off the west coast of Graham Land. Discovered by the French Antarctic Expedition, 1908-10, under Charcot, who named it for Monsieur Detaille of Punta Arenas, shareholder in the Magellan Whaling Co., who assisted Charcot in obtaining supplies at the company's whaling base at Deception Island. == See also == * List of antarctic and sub-antarctic islands

Detling Peak
Detling Peak (-75.23333°N, -114.86667°W) is a cone-shaped, ice-covered peak located 12 nautical miles (22 km) southwest of Morrison Bluff in the Kohler Range, Marie Byrd Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1959-66. Named by Advisory Committee on Antarctic Names (US-ACAN) for James K. Detling, United States Antarctic Research Program (USARP) biologist with the Marie Byrd Land Survey Party, 1966-67.

Detour Island
Detour Island (-65.01667°N, -63.91667°W) is an island lying 2.5 nautical miles (4.6 km) west of False Cape Renard, on the west side of Lemaire Channel in the Wilhelm Archipelago. First charted by the French Antarctic Expedition under Charcot, 1903-05. So named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959 because the island lies near the entrance to the ships' passage west of Booth Island which provides an alternative route to Lemaire Channel when the latter is blocked by ice. == See also == * List of antarctic and sub-antarctic islands

Detour Nunatak
Detour Nunatak (-77.13333°N, 160.91667°W) is a broad nunatak between Frazier Glacier and the upper part of Mackay Glacier, in Victoria Land. So named in 1957 by the New Zealand Northern Survey Party of the Commonwealth Trans-Antarctic Expedition (1956-58) because it was necessary to make a detour on the way up the Mackay Glacier, passing south of this nunatak.

Detrick Peak
Detrick Peak (-77.53333°N, 169.1°W) is a sharp peak, c.700 m standing 1 nautical mile (1.9 km) east-southeast of Lutz Hill in the Kyle Hills, Ross Island. Named by Advisory Committee on Antarctic Names (US-ACAN) (2000) after Daniel L. Detrick, physicist/engineer, Institute for Physical Science and Technology, University of Maryland, involved in long-term ionospheric research with United States Antarctic Program (USAP), including the design and fabrication, as well as deployment of instruments at McMurdo, South Pole, and Siple Stations; more than a dozen visits to Antarctica from 1980.

Detroit Plateau
Detroit Plateau (-64.16667°N, -60°W) is a major interior plateau of Graham Land, with heights between 1,500 and 1,800 m. Its northeast limit is marked by the south wall of Russell West Glacier, from which it extends some 90 nautical miles (170 km) in a general southwest direction to Herbert Plateau. The plateau was observed from the air by Sir Hubert Wilkins on a flight of December 20, 1928. Wilkins named it Detroit Aviation Society Plateau after the society which aided in the organizing of his expedition but the shortened form of the original name is approved. The north and east sides of the plateau were charted by the Falkland Islands Dependencies Survey (FIDS) in 1946-47.

Deverall Island
Deverall Island (-81.46667°N, 161.9°W) is a small ice-covered island, rising above the Ross Ice Shelf just northeast of Beaumont Bay. Named by the New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1960-61) for William H. Deverall, radio operator at Scott Base, 1961. == See also == * List of antarctic and sub-antarctic islands

Devil Island
Devil Island (-63.8°N, -57.28333°W) is a narrow island 1 nautical mile (1.9 km) long with a low summit on each end, lying in the center of a small bay 1 nautical mile (1.9 km) southeast of Cape Well-met, northern Vega Island, south of the northeast end of Antarctic Peninsula. Discovered and named by the Swedish Antarctic Expedition, 1901-04, under Nordenskjold. == See also == * List of antarctic and sub-antarctic islands

Deville Glacier
Deville Glacier (-64.8°N, -62.58333°W) is a glacier flowing along the south side of Laussedat Heights into Andvord Bay, on the west coast of Graham Land. The glacier is shown on an Argentine government chart of 1952. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960 for Edouard G. Deville (1849-1924), Surveyor-General of Canada, 1885-1924, who introduced and developed photogrammetric methods of survey in Canada from 1888 onward.

Devils Corrie
Devils Corrie (-60.65°N, -45.41667°W) is a large and very spectacular cirque, or corrie, midway between Olivine Point and Amphibolite Point on the south coast of Coronation Island in the South Orkney Islands. Named by the Falkland Islands Dependencies Survey (FIDS) following their survey of 1948-49.

Devils Glacier
Devils Glacier (-86.38333°N, -165°W) is a heavily crevassed glacier at the edge of the polar plateau, about 20 nautical miles (37 km) long and 8 nautical miles (15 km) wide, draining the south part of the Mohn Basin and flowing northeast to enter the upper part of Amundsen Glacier just north of the mountain group consisting of Mounts Wisting, Hassel, Bjaaland and Prestrud. The glacier was encountered by Roald Amundsen's South Pole Party in 1911 and was named by them to describe the extremely rough sledging in the area. Amundsen's route southward, between 168 and 169W, took the party across the upper or western portion of the glacier.

Devils Peak
Devils Peak (-60.65°N, -45.45°W) is a conspicuous rocky peak, 735 m, between Sunshine Glacier and Devils Corrie on the south side of Coronation Island, in the South Orkney Islands. Surveyed in 1948-49 by the Falkland Islands Dependencies Survey (FIDS), who so named it because of its proximity to Devils Corrie.

Devils Point
Devils Point (-62.66667°N, -61.18333°W) is a point forming the southwest extremity of Livingston Island, in the South Shetland Islands. Charted and named by James Weddell, Royal Navy, Master of the brig Jane, during the period 1820-23.

Devils Punchbowl
Devils Punchbowl (-77.01667°N, 162.4°W) is a bowl-shaped cove (an empty cirque, the floor of which is below sea level) in the southwest corner of Granite Harbor, between Devils Ridge and the south side of The Flatiron, in Victoria Land. Charted and named by the British Antarctic Expedition, 1910-13, under Scott.

Devils Ridge
Devils Ridge (-77.01667°N, 162.36667°W) is a rocky, sickle-shaped ridge extending from the south end of The Flatiron and forming the north wall of New Glacier, close west of Granite Harbor in Victoria Land. Charted and named by the British Antarctic Expedition, 1910-13, under Scott.

Devils Thumb
Devils Thumb (-77.01667°N, 162.36667°W) is a rocky knob, 245 m, marking the central part of Devils Ridge, just west of Granite Harbor in Victoria Land. Charted and named by the British Antarctic Expedition, 1910-13, under Scott.

Devold Peak
Devold Peak (-72.25°N, 26.73333°W) is a peak, 3,280 m, between Kjelbotn Peak and Pukkelen Rocks near the head of Byrdbreen in the Sor Rondane Mountains. Mapped by Norwegian cartographers in 1937 from air photos taken by U.S. Navy Operation Highjump, 1946-47, and named for Hallvard Devold, who with H. Riiser-Larsen and O. Kjelbotn attempted the exploration of Princess Ragnhild Coast by dog sledge in 1933.

Dewar Nunatak
Dewar Nunatak (-67.33333°N, -68.25°W) is a mainly snow-covered nunatak rising to 520 m in the middle of Shambles Glacier, on the east coast of Adelaide Island. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1963 for Graham J.A. Dewar, British Antarctic Survey (BAS) geologist at Adelaide station, 1961-63.

Mount Dewar
Mount Dewar (-80.53333°N, -21.18333°W) is a mountain rising to about 1,600 m to the southwest of Aronson Corner in the Pioneers Escarpment, Shackleton Range. Photographed from the air by the U.S. Navy, 1967. Surveyed by British Antarctic Survey (BAS), 1968-71. In association with the names of pioneers of polar life and travel grouped in this area, named in 1971 by the United Kingdom Antarctic Place-Names Committee (UK-APC) after Sir James Dewar (1842-1923), Scottish chemist and physicist who invented the thermos flask, about 1892.

Dewart Island
Dewart Island (-66.21667°N, 110.16667°W) is the central island in the Frazier Islands, in Vincennes Bay. The island was photographed from the air by U.S. Navy Operation Highjump (1946-47) and its position fixed by ANARE (Australian National Antarctic Research Expeditions) (1956). Named by C.R. Eklund for Gilbert Dewart, seismologist at Wilkes Station, 1957. == See also == * List of antarctic and sub-antarctic islands

Dewdrop Glacier
Dewdrop Glacier (-77.01667°N, 162.36667°W) is a small hanging glacier at the head of Devils Punchbowl between The Flatiron and Devils Ridge, at the southwest side of Granite Harbor, in Victoria Land. Charted by the British Antarctic Expedition (1910-13) under Scott, and named for its suggestive appearance, hanging on the edge of Devils Punchbowl.

Mount Dewe
Mount Dewe (-75.96667°N, -68.65°W) is a mountain in the southeast part of the Hauberg Mountains in Ellsworth Land. Mapped by United States Geological Survey (USGS) from ground surveys and U.S. Navy air photos, 1961-67. Named by Advisory Committee on Antarctic Names (US-ACAN) for Michael B. Dewe, glaciologist at Byrd Station, summer 1965-66.

Mount Dewey
Mount Dewey (-65.9°N, -64.31667°W) is a mountain, 1,830 m, standing 8 nautical miles (15 km) southeast of Mount Cheops on the west coast of Graham Land. Charted by the British Graham Land Expedition (BGLE) under Rymill, 1934-37. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959 for Melvil Dewey (1851-1932), American originator of the Dewey Decimal Classification, from which the Universal Decimal Classification is derived.

Diamond Glacier
Diamond Glacier (-79.85°N, 159°W) is a small distributary glacier of the Darwin Glacier, flowing east-northeast into the narrow valley on the north side of Diamond Hill. Mapped by the Victoria University of Wellington Antarctic Expedition (VUWAE) (1962-63) and named after Diamond Hill.

Diamond Hill
Diamond Hill (-79.86667°N, 159.15°W) is a conspicuous snow-free hill which is diamond shape in plan, standing 10 nautical miles (18 km) east of Bastion Hill at the north side of the lower Darwin Glacier. Named by the Darwin Glacier Party of the Commonwealth Trans-Antarctic Expedition (1956-58) which surveyed this area.

Diamond Peak
Diamond Peak (-54.2°N, -36.65°W) is a peak rising to 610 m west of Jason Harbor, Cumberland West Bay, on the north coast of South Georgia. Charted and named by DI between 1925-29.

Diamonen Island
Diamonen Island (-64.03333°N, -61.28333°W) is an island lying north of Moreno Rock in Gerlache Strait, off the west coast of Graham Land. Charted by the Belgian Antarctic Expedition under Gerlache, 1897-99. The island was called Big Diamonen Island by Captain Skidsmo of the Graham in 1921-22. The name was shortened by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960. == See also == * List of antarctic and sub-antarctic islands

Diana Reef
Diana Reef (-63.43333°N, -56.18333°W) is an isolated reef lying 3 nautical miles (6 km) east of D'Urville Monument, Joinville Island, in Active Sound. Roughly surveyed by Falkland Islands Dependencies Survey (FIDS) in 1954. Named in 1956 by United Kingdom Antarctic Place-Names Committee (UK-APC) after Diana (Robert Davidson, master), one of the ships of the Dundee whaling expedition which visited the Joinville Island area in 1892-93.

Diaz Cove
Diaz Cove (-54.75°N, -36.3°W) is a cove with the Kupriyanov Islands at the mouth, 10 nautical miles (18 km) northwest of Cape Disappointment, near the east end of the south coast of South Georgia. The cove was known to early sealers as shown by the remains of a sealing vessel found there. It was rediscovered in 1929 by Captain Johannesen and named for his ship Diaz.

Diaz Rock
Diaz Rock (-63.3°N, -58.75°W) is the largest of several rocks close north of the west end of Astrolabe Island, off Trinity Peninsula. The name was given by the first Chilean Antarctic Expedition (1947) for sub-lieutenant Joaquin Diaz Martinez.

Dibble Basin
Dibble Basin (-65.33333°N, 133°W) is an undersea basin name approved 12/71 (ACUF 132).

Dibble Bluff
Dibble Bluff (-78.11667°N, 167.21667°W) is a conspicuous rock bluff, 1 nautical mile (1.9 km) south of Marshall Cirque on the west side of White Island, Ross Archipelago. The bluff rises abruptly from Murdo Ice Shelf to over 400 meters. Named by Advisory Committee on Antarctic Names (US-ACAN) (1999) after Ray R. Dibble, Department of Geology, Victoria University of Wellington, who investigated volcanic eruptions and the seismicity of nearby Mount Erebus in five seasons, 1980-81 through 1984-85.

Dibble Glacier
Dibble Glacier (-66.28333°N, 134.6°W) is a prominent channel glacier flowing from the continental ice and terminating in a prominent tongue at the east side of Davis Bay. Delineated from air photos taken by U.S. Navy Operation Highjump (1946-47), and named by the Advisory Committee on Antarctic Names (US-ACAN) for Jonas Dibble, ship's carpenter on the sloop Peacock of the United States Exploring Expedition (1838-42) under Wilkes. Dibble is credited with leaving his sick bed and working 24 hours without relief with other carpenters to repair a broken rudder on the Peacock, when the ship was partially crushed in an ice bay in 15119E and forced to retire northward.

Dibble Glacier Tongue
Dibble Glacier Tongue (-65.83333°N, 135°W) is a large glacier tongue extending seaward from Dibble Glacier. Delineated from air photos taken by U.S. Navy Operation Highjump (1946-47). Named by the Advisory Committee on Antarctic Names (US-ACAN) for Jonas Dibble and the unsung crew members of the United States Exploring Expedition squadron under Lieutenant Charles Wilkes, 1838-42.

Dibble Iceberg Tongue
Dibble Iceberg Tongue (-65.5°N, 135°W) is an iceberg tongue at the seaward end of Dibble Glacier Tongue. The names Dibble Glacier and Dibble Glacier Tongue were applied by Advisory Committee on Antarctic Names (US-ACAN) in 1955, concurrent with G.D. Blodgett's delineation of the features from aerial photographs taken by U.S. Navy Operation Highjump (1946-47). The offshore segment of these two related features was photographed by ANARE (Australian National Antarctic Research Expeditions) in 1956 and 1959, and Antarctic Names Committee of Australia (ANCA) subsequently recommended that it be named Dibble Iceberg Tongue. US-ACAN has approved the latter name only for the portion lying seaward of Dibble Glacier Tongue.

Dibble Peak
Dibble Peak (-77.48333°N, 169.05°W) is a peak 2.3 nautical miles (4.3 km) southwest of Post Office Hill in Kyle Hills, Ross Island. The peak rises to c.1100 m and marks the highest and SW-most point of Warren Ridge. At the suggestion of P.R. Kyle, named by Advisory Committee on Antarctic Names (US-ACAN) (2000) after Raymond R. Dibble, geophysicist, Victoria University of Wellington, New Zealand, who visited Cape Crozier in the 1962-63 season; made seismic and volcanic observations of Mount Erebus during the 1970s, also 1980-86 as a founding member of the International Mount Erebus Seismic Studies (IMESS); after retirement from Victoria University and involvement with NZAP, Dibble joined United States Antarctic Program (USAP) and dthe NMIMT team (Kyle) in the maintenance and upgrading of the seismic stations run by the Mount Erebus Volcano Observatory, 1993-94, 1994-95, 1995-96, and 1997-98.

Dick Glacier
Dick Glacier (-84.88333°N, -175.83333°W) is a tributary glacier, 7 nautical miles (13 km) long, flowing west from Mount Campbell to enter Shackleton Glacier just north of Taylor Nunatak, in the Queen Maud Mountains. Named by Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant Alan L. Dick, a member of U.S. Navy Squadron VX-6 during Deep Freeze 1964.

Dick Peaks
Dick Peaks (-67.66667°N, 49.6°W) is a group of peaks 1 nautical mile (1.9 km) east of Mount Humble at the east end of the Raggatt Mountains, Enderby Land. Plotted from air photos taken from ANARE (Australian National Antarctic Research Expeditions) aircraft in 1956. Named after W. Dick, weather observer at Mawson station in 1960.

Mount Dick
Mount Dick (-80.81667°N, 159.53333°W) is a prominent peak, 2,410 m, standing 6 nautical miles (11 km) east of Mount Egerton, in the Churchill Mountains. Named by the New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1960-61) for R.G. Dick, Surveyor General of New Zealand.

Mount Dickason
Mount Dickason (-74.4°N, 163.96667°W) is a prominent mountain, 2,030 m, at the head of Boomerang Glacier in the Deep Freeze Range, Victoria Land. First mapped by the Northern Party of the British Antarctic Expedition, 1910-13, and named for Seaman Harry Dickason, Royal Navy, a member of the Northern Party.

Dickens Peak
Dickens Peak (-72.13333°N, -99.31667°W) is a peak 1.5 nautical miles (2.8 km) north-northwest of Smith Peak in N-central Thurston Island. Named by Advisory Committee on Antarctic Names (US-ACAN) after Aviation Machinist's Mate J.D. Dickens, aircrewman in the Eastern Group of U.S. Navy Operation Highjump, which obtained aerial photographs of this peak and adjacent coastal areas, 1946-47.

Dickens Rocks
Dickens Rocks (-65.31667°N, -65.38333°W) is a two rocks lying at the north end of the Pitt Islands, in the Biscoe Islands. Photographed by Hunting Aerosurveys Ltd. in 1956, and mapped from these photos by the Falkland Islands Dependencies Survey (FIDS). Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959 for Charles Dickens (1812-70), English novelist. A number of other features in the Pitt Islands are named after characters in his Pickwick Papers.

Mount Dickerson
Mount Dickerson (-84.33333°N, 167.13333°W) is a prominent mountain, 4,120 m, standing 4 nautical miles (7 km) east of Mount Kirkpatrick in Queen Alexandra Range. Named by Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant Commander Richard G. Dickerson, U.S. Navy, VX-6 aircraft commander during U.S. Navy Operation Deepfreeze, 1964.

Dickey Glacier
Dickey Glacier (-81.58333°N, 161°W) is a glacier 12 nautical miles (22 km) long, flowing north along the east side of the Surveyors Range to enter Beaumont Bay, Ross Ice Shelf. Named by Advisory Committee on Antarctic Names (US-ACAN) for Captain Willie M. Dickey, U.S. Navy, commander, Naval Support Units, Antarctica, at Little America V, winter 1957.

Dickey Peak
Dickey Peak (-78.31667°N, -84.43333°W) is a peak in the northwest part of Flowers Hills in the Sentinel Range, Ellsworth Mountains. First mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1957-59. Named by Advisory Committee on Antarctic Names (US-ACAN) for Clifford R. Dickey, Jr., electronics technician at the South Pole Station in 1957.

Dickinson Rocks
Dickinson Rocks (-77.55°N, -147.91667°W) is an isolated rock outcrops near the north end of Hershey Ridge, 9 nautical miles (17 km) northwest of Linwood Peak, in the Ford Ranges of Marie Byrd Land. Mapped by United States Antarctic Service (USAS) (1939-41) and by United States Geological Survey (USGS) from surveys and U.S. Navy air photos (1959-65). Named by Advisory Committee on Antarctic Names (US-ACAN) for David N. Dickinson, construction mechanic, U.S. Navy, at Brockton Station (80S, 178W) on the Ross Ice Shelf for two seasons, 1965-66 and 1966-67.

Dickson Icefalls
Dickson Icefalls (-76.03333°N, -133.41667°W) is a north-draining icefalls of moderate slope at an elevation of 1,800 to 2,000 m, located between Mount Moulton and Mount Bursey in the Flood Range of Marie Byrd Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1959-65. Named by Advisory Committee on Antarctic Names (US-ACAN) for Donald T. Dickson, United States Antarctic Research Program (USARP) glaciologist with the Byrd Station Traverse of 1962-63.

Dickson Pillar
Dickson Pillar (-71.9°N, 171.18333°W) is a pillar rock lying close south of Possession Island in the Possession Islands. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1958-63. Named by Advisory Committee on Antarctic Names (US-ACAN) for Paul B. Dickson, PHC, U.S. Navy, Photographer of Squadron VX-6 on the flight of January 18, 1958, at the time this feature was photographed.

Mount Dido
Mount Dido (-77.48333°N, 160.95°W) is a prominent peak, 2,070 m, between Mounts Electra and Boreas in the Olympus Range of Victoria Land. Named by the Victoria University of Wellington Antarctic Expedition (VUWAE) (1958-59) for a figure in Greek mythology.

Dieglman Island
Dieglman Island (-66°N, 100.76667°W) is an island about 4 nautical miles (7 km) long that is largely ice covered but has numerous rock outcrops, lying on the northwest side of Edisto Channel in the Highjump Archipelago. First mapped from air photos taken by U.S. Navy Operation Highjump, 1946-47, and named Dieglman Islets. Subsequent Soviet expeditions (1956-57) mapped the feature as one island with numerous outcrops. The name has been altered by Advisory Committee on Antarctic Names (US-ACAN) to apply to the single island. Named by US-ACAN for E.D. Dieglman, air crewman on U.S. Navy Operation Highjump photographic flights in this area in 1946-47. == See also == * List of antarctic and sub-antarctic islands

Dietz Bluff
Dietz Bluff (-72.03333°N, -62.13333°W) is a prominent bluff at the head of Hilton Inlet on the Black Coast, Palmer Land. The bluff was photographed from the air by United States Antarctic Service (USAS), 1940, and by Ronne Antarctic Research Expedition (RARE), 1947; mapped by United States Geological Survey (USGS) from U.S. Navy aerial photographs taken 1966-69. Named by Advisory Committee on Antarctic Names (US-ACAN), in association with the names of continental drift scientists grouped in this area, after Robert S. Dietz, American marine geologist with Atlantic Oceanographic and Meteorological Laboratory, Miami, Florida, from 1967.

Mount Dietz
Mount Dietz (-86.26667°N, -153.16667°W) is a mountain, 2,250 m, just north of the confluence of Souchez and Bartlett Glaciers where it marks the south limit of Hays Mountains in the Queen Maud Mountains. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960-64. Named by Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant D.L. Dietz, U.S. Navy, pilot on photographic flights during Operation Deep Freeze 1964 and 1965.

Dike Cirque
Dike Cirque (-83.23333°N, 157.95°W) is a semi-circular glacial cirque 1 nautical mile (1.9 km) wide in the Miller Range. It is carved into Macdonald Bluffs at the southeast base of Kreiling Mesa. So named by the Ohio State University Geological Party, 1967-68, because the granite cliffs surrounding the cirque are cut by numerous black dikes.

Dikstra Buttresses
Dikstra Buttresses (-69.8°N, -69.88333°W) is a summits rising to about 1,500 m on west side of Douglas Range, north Alexander Island. Surveyed by British Antarctic Survey (BAS), 1975-76. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) in 1980 after Barry James Dikstra, BAS geophysicist, Adelaide and Rothera, 1974-77.

Dilemma Glacier
Dilemma Glacier (-78.75°N, 161.41667°W) is a steep, broken glacier descending from the Worcester Range into the west side of Skelton Glacier to the north of Ant Hill. Mapped and named in 1957 by the New Zealand party of the Commonwealth Trans-Antarctic Expedition, 1956-58. So named because of difficulties encountered by the geological party in an attempted descent of this glacier.

Dillon Peak
Dillon Peak (-73.28333°N, -62.66667°W) is a peak in the Dana Mountains surmounting the north side of the terminus of Haines Glacier, in Palmer Land. Mapped by United States Geological Survey (USGS) from ground surveys and U.S. Navy air photos, 1961-67. Named by Advisory Committee on Antarctic Names (US-ACAN) for Raymond D. Dillon, biologist at McMurdo Station and Palmer Station during the 1966-67 and 1967-68 seasons.

Dilten Nunatak
Dilten Nunatak (-72.36667°N, -3.78333°W) is an isolated nunatak about 1.5 nautical miles (2.8 km) west-northwest of Dalten Nunatak and 8 nautical miles (15 km) northwest of Borg Mountain in Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949-52) and named Dilten.

Dimaryp Peak
Dimaryp Peak (-63.43333°N, -57.03333°W) is the prominent northeastern peak of Mount Carroll, rising to 500 m, 1 nautical mile (1.9 km) south of the head of Hope Bay, Trinity Peninsula. First charted by the Swedish Antarctic Expedition under Nordenskjold, 1901-04. Surveyed in 1945 and 1955 by Falkland Islands Dependencies Survey (FIDS), who applied the name. This peak is very similar to and has been frequently misidentified in bad weather as The Pyramid, a peak 0.8 nautical miles (1.5 km) to the east. The name is an anagram of pyramid.

Dimick Peaks
Dimick Peaks (-78.3°N, 161.93333°W) is a two peaks, the highest rising to 1,495 m, at the south side of the mouth of Dale Glacier in Victoria Land. Named by Advisory Committee on Antarctic Names (US-ACAN) in 1994 after Dorothy Dimick, United States Geological Survey (USGS) cartographer, an Antarctic specialist in the Branch of Special Maps, 1944-76.

Dinghy Point
Dinghy Point (-54.06667°N, -37.15°W) is a point on the south side of Prince Olav Harbor, Cook Bay, on the north coast of South Georgia. Charted and named "Pram Point" by DI in 1929. The name Dinghy Point was approved for this feature by United Kingdom Antarctic Place-Names Committee (UK-APC) in 1991 to avoid duplication with Pram Point at Leith Harbor in Stromness Bay.

Dingle Dome
Dingle Dome (-67.05°N, 48.9°W) is an ice-covered dome rising above 400 m and surmounting the north end of Sakellari Peninsula, on the coast of Enderby Land. Discovered in 1956 during flights by ANARE (Australian National Antarctic Research Expeditions) aircraft. Named by Antarctic Names Committee of Australia (ANCA) for Robert Dingle, officer in charge at Davis station in 1957.

Dingle Lake
Dingle Lake (-68.56667°N, 78.06667°W) is a salt-water lake lying just west of Stinear Lake, on the Breidnes Peninsula, Vestfold Hills. Mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936-37. Named by Antarctic Names Committee of Australia (ANCA) for Robert Dingle, Officer in Charge at Davis Station in 1957.

Dingle Nunatak
Dingle Nunatak (-64.51667°N, -57.38333°W) is a nunatak appearing within the main ice cap of Snow Hill Island, 2.8 km south of Day Nunatak. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) in 1995 after Richard Vernon Dingle (b. 1943), Senior British Antarctic Survey (BAS) geologist (Paleoenvironmental change), a member of the BAS field party in the James Ross Island area from 1994-95.

Dingsor Dome
Dingsor Dome (-68.01667°N, 67.71667°W) is a small, distinct ice-covered elevation rising inland from the coast, 11 nautical miles (20 km) south of Point Williams, in Mac. Robertson Land. Discovered in February 1931 by the British Australian New Zealand Antarctic Research Expedition (BANZARE) (1929-31) under Douglas Mawson. Named by Mawson after Captain Dingsor, a Norwegian whale fishery inspector who was aboard the Kosmos (Captain Hans Andresen) in Antarctica that season. The Kosmos had supplied coal to Mawson's ship, the Discovery, on December 29, 1930.

Dinsmoor Glacier
Dinsmoor Glacier (-64.36667°N, -59.98333°W) is a glacier flowing east from the south edge of Detroit Plateau, Graham Land, joining Edgeworth Glacier to the northeast of Mount Elliott. Mapped from surveys by Falkland Islands Dependencies Survey (FIDS) (1960-61). Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for Charles Dinsmoor of Warren, PA, who invented the "endless tracking machine," a forerunner of modern tracked vehicles, in 1886; first manufactured commercially by Holt Manufacturing Co. of Stockton, CA, in 1906.

Dint Island
Dint Island (-69.28333°N, -71.81667°W) is a rocky island, 1.5 nautical miles (2.8 km) long, lying 2 nautical miles (3.7 km) off the west side of Alexander Island in Lazarev Bay. Probably first seen from the air by the United States Antarctic Service (USAS), 1939-41. First mapped from air photos taken by the Ronne Antarctic Research Expedition (RARE), 1947-48, by Searle of the Falkland Islands Dependencies Survey (FIDS) in 1960. So named by the United Kingdom Antarctic Place-Names Committee (UK-APC) because a distinctive cirque makes a dent, or dint, on the south side of the island. == See also == * List of antarctic and sub-antarctic islands

Diomedea Island
Diomedea Island (-62.2°N, -58.95°W) is a small island lying in Ardley Cove, Fildes Peninsula, King George Island. The Soviet Antarctic Expedition called the feature "Ostrov Al'batros" or "Albatross Island" in 1968, but the English form duplicates a name in the Bay of Isles. To avoid confusion, the United Kingdom Antarctic Place-Names Committee (UK-APC) recommended a new name in 1979; Diomedea is the generic name for several species of albatross. == See also == * List of antarctic and sub-antarctic islands

Dion Islands
Dion Islands (-67.86667°N, -68.71667°W) is a group of small islands and rocks lying in the north part of Marguerite Bay, 6 nautical miles (11 km) southwest of Cape Alexandra, Adelaide Island. Discovered by the French Antarctic Expedition, 1908-10, and named by Charcot for the Marquis de Dion, who donated three motor sledges and whose De Dion-Bouton works produced equipment for the expedition. == See also == * List of antarctic and sub-antarctic islands

Dione Nunataks
Dione Nunataks (-71.93333°N, -69.1°W) is a rock exposures at the head of Saturn Glacier, 9 nautical miles (17 km) west of Deimos Ridge in the southeast part of Alexander Island. The nunataks appear to have been first seen from the air by Lincoln Ellsworth on November 23, 1935, and roughly mapped from photos obtained on that flight by W.L.G. Joerg. Remapped from air photos taken by the Ronne Antarctic Research Expedition (RARE), 1947-48, by Searle of the Falkland Islands Dependencies Survey (FIDS) in 1960. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) from association with Saturn Glacier, Dione being one of the satellites of Saturn.

Dipboye Cirque
Dipboye Cirque (-77.5°N, 160.83333°W) is a cirque on the south side of Olympus Range between Apollo Peak and Mount Electra in the McMurdo Dry Valleys. The cirque opens south to the Labyrinth. Named by Advisory Committee on Antarctic Names (US-ACAN) (2004) after Richard L. Dipboye, PHI helicopter pilot with United States Antarctic Program (USAP) in eight consecutive field seasons from 1996-97.

Diplock Glacier
Diplock Glacier (-64.05°N, -58.83333°W) is a narrow straight glacier, 10 nautical miles (18 km) long, flowing eastward from Detroit Plateau, Graham Land, into Prince Gustav Channel 5 nautical miles (9 km) south of Alectoria Island. Mapped from surveys by Falkland Islands Dependencies Survey (FIDS) (1960-61). Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for Bramah J. Diplock, British engineer who made considerable advances in the design of chain-track tractors (1885-1913).

Director Nunatak
Director Nunatak (-66.81667°N, -65.1°W) is a conspicuous nunatak standing between the heads of Balch and Breitfuss Glaciers, in Graham Land. Photographed by Hunting Aerosurveys Ltd. in 1955-57, and mapped from these photos by the Falkland Islands Dependencies Survey (FIDS). So named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1958 because this nunatak was used as a landmark by a FIDS sledge party from Detaille Island in 1957 when traveling on Avery Plateau.

Dirtbag Nunatak
Dirtbag Nunatak (-85.53333°N, -144.86667°W) is a ridge-like nunatak rising to 940 m, 3.5 nautical miles (6 km) south-southwest of Mount Manke, Harold Byrd Mountains. The feature was mapped by United States Geological Survey (USGS) from ground surveys and U.S. Navy aerial photographs, 1960-63. It was visited in 1977-78 by a United States Antarctic Research Program (USARP)-Arizona State University geological party, led by Edmund Stump, and named in the spirit of Coalsack Bluff; thin lenses of disintegrating mica and schist form a type of light soil on the slopes of the nunatak.

Cape Disappointment
Cape Disappointment (-54.88333°N, -36.11667°W) is a cape which forms the south extremity of South Georgia. First charted and so named in 1775 by a British expedition under Cook, who upon reaching this position was greatly disappointed in realizing that South Georgia was an island rather than a continent.

Cape Disappointment
Cape Disappointment (-60.7°N, -45.08333°W) is a cape midway along the west side of Powell Island, in the South Orkney Islands. The name was originally applied to the south end of Powell Island by Captain George Powell and Captain Nathaniel Palmer in 1821, reflecting their reluctance to terminate their eastward cruise, necessitated by exhausted provisions and unfavorable winds. In recent years the name has been consistently used for the cape on the west side of the island.

Cape Disappointment
Cape Disappointment (-65.55°N, -61.71667°W) is a cape which marks the tip of the ice-covered peninsula lying between Exasperation Inlet and Scar Inlet, on the east coast of Graham Land. Discovered in 1902 by the Swedish Antarctic Expedition, under Nordenskjold, and so named by him because he encountered many difficult crevasses in approaching the cape.

Disch Promontory
Disch Promontory (-83.56667°N, 162.86667°W) is a high, ice-covered promontory, 6 nautical miles (11 km) long, extending from the east side of Prince Andrew Plateau, Queen Elizabeth Range. Named by Advisory Committee on Antarctic Names (US-ACAN) for Carl R. Disch, United States Antarctic Research Program (USARP) ionospheric physicist, who was lost at Byrd Station, May 8, 1965.

Discovery Bay
Discovery Bay (-62.48333°N, -59.71667°W) is a bay 3 nautical miles (6 km) long and 2 nautical miles (3.7 km) wide, indenting the north side of Greenwich Island, in the South Shetland Islands. This bay has been known to sealers in the area since about 1821. It was charted and named during 1935 by DI personnel on the Discovery II.

Discovery Bluff
Discovery Bluff (-77.01667°N, 162.61667°W) is a conspicuous headland forming the west side of the entrance to Avalanche Bay in Granite Harbor, Victoria Land. Discovered by the Discovery expedition (1901) under Scott, who referred to the feature as Rendezvous Bluff. It was renamed for the ship Discovery by Scott's second expedition, the British Antarctic Expedition, 1910-13.

Discovery Glacier
Discovery Glacier (-78.33333°N, 164.5°W) is a broad glacier, 9 nautical miles (17 km) long, between Hurricane Ridge and Mount Discovery on Scott Coast, Victoria Land. The glacier flows north to coalesce with the east margin of lower Koettlitz Glacier. Named by Advisory Committee on Antarctic Names (US-ACAN) (1999) in association with Mount Discovery, which Captain Robert Scott had named after the expedition ship of the Discovery expedition, 1901-04.

Discovery Point
Discovery Point (-54.3°N, -36.48333°W) is a point formed of glacial moraine, marking the west side of the entrance to Moraine Fjord, South Georgia. First surveyed by the Swedish Antarctic Expedition, 1901-04, under Nordenskjold. Probably named by Discovery Investigations personnel in the period following their surveys of 1926-31, presumably for their organization or their ships, the Discovery or Discovery II, which were utilized in the surveys of South Georgia.

Discovery Ridge
Discovery Ridge (-84.73333°N, -114.1°W) is a broad rock ridge with a rather flat summit area. It projects northwest from Buckeye Table, Ohio Range, 2 nautical miles (3.7 km) northwest of Mount Glossopteris. The name was suggested by William E. Long, geologist of the Ohio State University expedition to the Horlick Mountains in 1960-61 and 1961-62. The first tillite and the first Devonian brachiopods were discovered by the expedition on this ridge, hence the name.

Discovery Rock
Discovery Rock (-54.15°N, -36.58333°W) is a submerged rock in Stromness Bay, South Georgia, lying 0.7 nautical miles (1.3 km) north-northeast of Ems Rock. The rock was positioned by Discovery Investigations personnel under Lieutenant Commander J.M. Chaplin, Royal Navy, who made surveys of Stromness Bay in 1927 and 1929. They probably applied the name, which is now well established in local use.

Discovery Sound
Discovery Sound (-64.51667°N, -63.01667°W) is an east-west trending channel 0.5 nautical miles (0.9 km) wide, between Guepratte Island and Briggs Peninsula, on the northeast side of Anvers Island, in the Palmer Archipelago. The channel was discovered by a German expedition under Dallmann, 1873-74, and in 1903-05 was charted by the French Antarctic Expedition under Charcot. During 1927 it was explored by DI personnel on the Discovery who applied the name.

Lake Discovery
Lake Discovery (-78.33333°N, 164.25°W) is a lake, 3 nautical miles (6 km) long, situated at the north end of Hurricane Ridge on the west margin of Discovery Glacier, Scott Coast, Victoria Land. Named by Advisory Committee on Antarctic Names (US-ACAN) (1999) in association with Discovery Glacier, a partial source for the lake, and Mount Discovery, the dominant feature in the vicinity.

Mount Discovery
Mount Discovery (-78.36667°N, 165.01667°W) is a conspicuous, isolated volcanic cone, 2,680 m, lying at the head of McMurdo Sound and east of Koettlitz Glacier, overlooking the northwest portion of the Ross Ice Shelf. It forms the center of a three-armed mass of which Brown Peninsula is one extension to the N.; Minna Bluff is a second to the E.; the third is Mount Morning to the west. Discovered by the Discovery expedition (1901-04) and named for their expedition ship Discovery.

Dismal Buttress
Dismal Buttress (-85.45°N, -178.7°W) is a mainly ice-free rock bluff, overlooking the west side of the head of Shackleton Glacier about 3 nautical miles (6 km) northwest of Roberts Massif. So named because of several depressing incidents experienced here by the Southern Party of the New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1961-62), including the loss of Dismal, the party's only lead dog, which had to be destroyed.

Dismal Island
Dismal Island (-68.1°N, -68.83333°W) is an island, 1 nautical mile (1.9 km) long and 60 m high, which is mainly ice covered and is the largest of the Faure Islands, lying in Marguerite Bay off the west coast of Graham Land. The Faure Islands were discovered and first charted in 1909 by the French Antarctic Expedition under Charcot. The group was visited and surveyed in 1949 by the Falkland Islands Dependencies Survey (FIDS), who so named this island for its appearance of extreme desolation and lifelessness. == See also == * List of antarctic and sub-antarctic islands

Dismal Mountains
Dismal Mountains (-68.08333°N, 55.41667°W) is a group of nunataks about 35 nautical miles (60 km) southwest of Rayner Peak. Photographed from ANARE (Australian National Antarctic Research Expeditions) aircraft in 1956, and surveyed by G.A. Knuckey during a dog-sledge journey from Amundsen Bay to Mawson Station in December 1958. So named because the mountains are frequently shrouded in clouds.

Dismal Ridge
Dismal Ridge (-78.28333°N, 162.8°W) is a forked ridge leading north and east from the Mount Kempe-Mount Huggins saddle. It is bounded on the north and west by the Radian and Glimpse Glaciers, and on the south by Kempe Glacier. The two forks enclose the Glee Glacier and descend to Roaring Valley. The ridge was so named by the Victoria University of Wellington Antarctic Expedition (VUWAE), 1960-61, because of the persistently dismal weather conditions encountered while they were mapping in January 1961, and also because of difficulties encountered in establishing a high food camp on this ridge by helicopter, again owing to the weather.

Mount Ditte
Mount Ditte (-67.71667°N, -68.61667°W) is a mountain, 1,400 m, surmounting Cape Alexandra in the southeast extremity of Adelaide Island. Discovered by the French Antarctic Expedition, 1908-10, and named by Charcot for Alfred Ditte, noted French chemist.

Diver Point
Diver Point (-54°N, -38.05°W) is a point midway along the north shore of Bird Island, South Georgia. A United Kingdom Antarctic Place-Names Committee (UK-APC) name that derives from the South Georgia Diving Petrel (Pelecanoides georgicus) which nests nearby.

Diversion Hills
Diversion Hills (-73.15°N, 163.5°W) is a small group of low rock outcrops at the east extremity of Pain Mesa, in Victoria Land. Named by the southern party of New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1966-67, because the party diverted eastward from their route here to visit Navigator Nunatak.

Divide Peaks
Divide Peaks (-60.71667°N, -45.2°W) is a series of ice-topped peaks, the highest 640 m, rising from the southeast end of Coronation Island and extending for 2 nautical miles (3.7 km) in a northwest direction, in the South Orkney Islands. Surveyed in by the Falkland Islands Dependencies Survey (FIDS), 1956-58, and named Divide Peaks in association with The Divide.

The Divide
The Divide (-60.73333°N, -45.16667°W) is a narrow channel between Matthews Island and the southeast extremity of Coronation Island, in the South Orkney Islands. Charted as an isthmus in 1912-13 by Norwegian whaling captain Petter Sorlle; recharted as an isthmus and named descriptively by DI in 1933. The feature was surveyed by Falkland Islands Dependencies Survey (FIDS) in 1957 and found to be a channel.

Dixey Rock
Dixey Rock (-63.46667°N, -54.66667°W) is a rock rising 25 m above sea level, 1.5 nautical miles (2.8 km) southeast of Darwin Island in the Danger Islands, q.v. Mapped by Falkland Islands Dependencies Survey (FIDS) in 1953-54 and 1956-58, and photographed from the air by Falkland Islands and Dependencies Aerial Survey Expedition (FIDASE), 1956-57. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) in 1980 after David J. Dixey, Head, Nautical Branch 5, Hydrographic Department.

Mount Dixey
Mount Dixey (-70.16667°N, -68.06667°W) is a mountain, 1,250 m, standing at the south side of Riley Glacier and 3 nautical miles (6 km) northeast of Carse Point, on the west coast of Palmer Land. First photographed from the air on November 23, 1935 by Lincoln Ellsworth, and mapped from these photographs by W.L.G. Joerg. First surveyed in 1936 by the British Graham Land Expedition (BGLE) under Rymill, and named in 1954 by members of the expedition for Neville Dixey, Chairman of Lloyd's in 1934, who raised a special fund at Lloyd's as a contribution towards the cost of the BGLE, 1934-37.

Dixon Peak
Dixon Peak (-54.05°N, -38.01667°W) is a steep-sided peak rising to 420 m at the southern end of Paryadin Ridge, 1 nautical mile (1.9 km) north of Cape Paryadin, South Georgia. Roughly charted by DI personnel on the Discovery in the period 1926-30. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1963 for Lieutenant John B. Dixon, Royal Navy, surveying officer on HMS Owen, which surveyed the area in 1960-61.

Mount Dixon
Mount Dixon (-53°N, 73.28333°W) is a snow-covered peak (705 m) standing 0.7 nautical miles (1.3 km) west of Anzac Peak on Laurens Peninsula, Heard Island. The feature appears to have been roughly charted on an 1860 sketch map by Captain H.C. Chester, American sealer operating in the area during this period. Surveyed in 1948 by the ANARE (Australian National Antarctic Research Expeditions), and named by them for Lieutenant Commander George M. Dixon, RANVR, commanding officer of HMAS Labuan which landed and relieved the 1948 and 1949 ANARE parties.

Dixson Island
Dixson Island (-68.13333°N, 146.71667°W) is a high ice-covered island, 10 nautical miles (18 km) long and 5 nautical miles (9 km) wide, at the west side of the mouth of Ninnis Glacier. Discovered by the Australasian Antarctic Expedition (1911-14) under Douglas Mawson, who named it for Sir Hugh Dixson of Sydney, a patron of the expedition. == See also == * List of antarctic and sub-antarctic islands

Djupedalen Valley
Djupedalen Valley (-71.96667°N, 7.1°W) is a glacier filled valley separating the Muhlig-Hofmann and Filchner Mountains in Queen Maud Land. Plotted from surveys and air photos by Norwegian Antarctic Expedition (1956-60) and named Djupedalen (the deep valley).

Djupedalshausane Peaks
Djupedalshausane Peaks (-72.08333°N, 6.98333°W) is a group of peaks between the heads of Lunde Glacier and Djupedalen Valley in the Muhlig-Hofmann Mountains, Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by the Norwegian Antarctic Expedition (1956-60) and named Djupedalshausane (the deep valley peaks).

Djupedalsleitet Saddle
Djupedalsleitet Saddle (-72.08333°N, 7.36667°W) is an ice saddle between the head of Djupedalen Valley and Snuggerud Glacier, south of the Filchner Mountains in Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by Norwegian Antarctic Expedition (1956-60) and named Djupedalsleitet.

Djupvik Point
Djupvik Point (-69.71667°N, 38.03333°W) is a point marking the east limit of Djupvika, a bay along the southwest shore of Lutzow-Holm Bay. Mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936-37, and named Djupvikodden (the deep bay point) in association with Djupvika.

Djupvika
Djupvika (-69.73333°N, 37.9°W) is a bay between Botnneset and Djupvikneset Peninsulas in the southwest part of Lutzow-Holm Bay. Mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936-37, and named Djupvika (the deep bay) because of its deep indentation of the coast.

Djupvikneset Peninsula
Djupvikneset Peninsula (-69.78333°N, 38.1°W) is a high, ice-covered peninsula between Djupvika and Havsbotn along the southwest shore of Lutzow-Holm Bay. Mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936-37, and named Djupvikneset (the deep bay ness, or promontory) in association with nearby Djupvika.

Dlinnoye Lake
Dlinnoye Lake (-70.73333°N, 11.65°W) is a narrow, serpentine lake, 0.5 nautical miles (0.9 km) long, lying close northwest of Tsentral'naya Hill in the Schirmacher Hills, Queen Maud Land. The feature was mapped by the Soviet Antarctic Expedition in 1961 and named Ozero Dlinnoye (long lake).

Doake Ice Rumples
Doake Ice Rumples (-79.75°N, -67°W) is an area of disturbed ice in the Ronne Ice Shelf, extending for about 55 nautical miles (100 km) in a NW-SE direction between Korff Ice Rise and Henry Ice Rise. First visited and mapped in part by the US-IGY geophysical traverse party from Ellsworth Station 1957-58, led by Edward Thiel. Further delineated from U.S. Landsat imagery taken 1974 and from radio echo sounding by British Antarctic Survey (BAS) in 1981. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) after Christopher S.M. Doake, senior BAS glaciologist from 1973, who has contributed to an understanding of the morphology and dynamics of the Ronne Ice Shelf.

Dobbratz Glacier
Dobbratz Glacier (-79.4°N, -85.08333°W) is a broad tributary glacier which drains the south part of the White Escarpment and flows northeast between Watlack Hills and Weber Peaks into Splettstoesser Glacier, in the Heritage Range. Named by the University of Minnesota Geological Party, 1963-64, for Maj. Joseph Dobbratz, United States Marine Corps (USMC), pilot who supported the party.