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McClelland Ridge
McClelland Ridge (-77.45°N, 162.16667°W) is a high rock ridge between Sanford Valley and Thomas Valley in the east part of Olympus Range, Victoria Land. Named by Advisory Committee on Antarctic Names (US-ACAN) (1997) after Elias E. McClelland, topographic engineer, leader of the 1971-72 United States Geological Survey (USGS) field party that established a network of horizontal and vertical control over a 6,000 square kilometer area of McMurdo Dry Valleys to support compilation of eight topographic maps at 1:50,000 scale. These maps, bounded by 160� and 164�E and 77�15' and 77�45'S, were published by USGS in 1977.

McClintock Point
McClintock Point (-77.55°N, 163.66667°W) is a point at the north side of the entrance to Explorers Cove, New Harbor, McMurdo Sound, on Scott Coast, Victoria Land. Named by Advisory Committee on Antarctic Names (US-ACAN) (1997) after James B. McClintock, Associate Professor of Biology, University of Alabama, Birmingham, who studied the benthos of McMurdo Sound west of Ross Island and along the coast from Granite Harbor to Cape Chocolate, including extensive work in New Harbor in proximity to this point.

McClintock Ridge
McClintock Ridge (-82.05°N, 161°W) is a prominent east-west ridge that is ice covered, 6 nautical miles (11 km) north of Rubin Peak in Carnegie Range, Churchill Mountains. The ridge comprises several aligned summits that descend the east slope of the range for 7 nautical miles (13 km), ending at Algie Glacier. The west portion, near Mansergh Wall, rises to over 1400 m; elevations decline to 400 m near Algie Glacier. Named by Advisory Committee on Antarctic Names (US-ACAN) after Barbara McClintock (1902-92), Department of Genetics, Carnegie Institution, Cold Spring Harbor, NY, 1942-67, although she continued full-time research, supported by Carnegie, until her death; Nobel Laureate in Physiology or Medicine, 1983.

Mount McClintock
Mount McClintock (-80.21667°N, 157.43333°W) is the highest mountain (3,490 m) in Britannia Range, surmounting the south end of Forbes Ridge, 6 nautical miles (11 km) east of Mount Olympus. Discovered by the Discovery expedition (1901-04) and named for Admiral Sir Leopold McClintock, Royal Navy, a member of the Ship Committee for the expedition.

McClinton Glacier
McClinton Glacier (-74.66667°N, -114°W) is a glacier between the base of Martin Peninsula and Jenkins Heights, flowing east-northeast into Dotson Ice Shelf, on the Walgreen Coast of Marie Byrd Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy aerial photographs, 1959-67. Named by Advisory Committee on Antarctic Names (US-ACAN) after Racie A. McClinton, Jr., U.S. Navy, LC-130 flight engineer of Squadron VXE-6, who served in nine Operation Deepfreeze deployments through 1977.

Mount McClung
Mount McClung (-77.18333°N, -144.43333°W) is a mountain 2 nautical miles (3.7 km) southeast of Mount Gonzalez in the Sarnoff Mountains, Ford Ranges, Marie Byrd Land. Discovered and mapped by the United States Antarctic Service (USAS) (1939-41). Named by Advisory Committee on Antarctic Names (US-ACAN) after Lieutenant Herbert C. McClung, MC, U.S. Navy, officer in charge at Byrd Station, 1965.

McCollum Peak
McCollum Peak (-65.53333°N, -64.03333°W) is a peak, 735 m, standing south of Beascochea Bay 2 nautical miles (3.7 km) southeast of Mount Waugh, on the west coast of Graham Land. First charted by the French Antarctic Expedition under Charcot, 1908-10. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959 for Elmer V. McCollum, American biochemist who first isolated vitamins A and B, in 1915.

McConchie Ridge
McConchie Ridge (-78.16667°N, 162.75°W) is a rock spur trending southeast from Salient Peak in the Royal Society Range, Victoria Land. Named in 1985 by the New Zealand Antarctic Place-Names Committee (NZ-APC) after John A. McConchie, field assistant with the New Zealand Antarctic Research Program (NZARP) geological party to this area, 1979-80, led by R.H. Findlay. McConchie joined the party as a replacement for Adrian Daly who suffered from frostbite.

McConnel Islands
McConnel Islands (-66.48333°N, -65.85°W) is an islands lying in Darbel Bay southeast of Kidd Islands, off the west coast of Graham Land. Photographed by the Falkland Islands and Dependencies Aerial Survey Expedition (FIDASE), 1956-57. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960 for James C. McConnel (1860-1890), English physicist who made pioneer experiments on the plastic deformation of ice, both single and polycrystals, 1881-90. == See also == * List of antarctic and sub-antarctic islands

Cape McCormick
Cape McCormick (-71.83333°N, 170.96667°W) is a cape marking the east extremity of Adare Peninsula in Victoria Land. Discovered by Captain James Ross, 1841, who named it for Robert McCormick, Surgeon on the Erebus.

Mount McCormick
Mount McCormick (-77°N, -144.43333°W) is a mountain 2 nautical miles (3.7 km) southeast of Mount Ralph in the Ford Ranges, Marie Byrd Land. Discovered and mapped by the United States Antarctic Service (USAS) (1939-41). Named by Advisory Committee on Antarctic Names (US-ACAN) for W.S. McCormick, airplane pilot with the Byrd Antarctic Expedition (1933-35).

Mount McCoy
Mount McCoy (-75.86667°N, -141.16667°W) is a high table-topped massif with dark, snow-free, vertical walls, at the east side of Land Glacier in Marie Byrd Land. Discovered by members of West Base of the United States Antarctic Service (USAS) (1939-41) and named for James C. McCoy, chief pilot at West Base.

McCraw Glacier
McCraw Glacier (-80.11667°N, 156.58333°W) is a glacier in the Britannia Range, draining the northwest slopes of Mount Olympus and flowing north, westward of Johnstone Ridge, to enter Hatherton Glacier. Named by a University of Waikato geological party, 1978-79, led by M.J. Selby. Named for John D. McCraw, Dean of Science, University of Waikato, Hamilton, New Zealand, a member on a 1959-60 field party to the McMurdo Dry Valleys.

McCrilliss Nunatak
McCrilliss Nunatak (-85.45°N, -128.91667°W) is a nunatak marking the north end of the Gierloff Nunataks on the north side of the Wisconsin Range, Horlick 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 Harold L. McCrilliss, construction electrician, a member of the winter parties at Byrd Station in 1959 and South Pole Station in 1964.

Mount McCrory
Mount McCrory (-75.48333°N, -139.43333°W) is a mountain 2 nautical miles (3.7 km) east-southeast of Mount Vance in the east part of the Ickes Mountains, 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 Captain Eugene E. McCrory, USCG, Commanding Officer of USCGC Glacier, during Operation Deep Freeze 1969 and 1970.

McCuddin Mountains
McCuddin Mountains (-75.78333°N, -128.7°W) is a small cluster of mountains consisting mainly of two large mountains, Mount Flint and Mount Petras, along with several scattered peaks and nunataks. Located in Marie Byrd Land, 40 nautical miles (70 km) east of the Ames Range. The mountains were discovered and photographed from the air in a flight from West Base of the U.S. Antarctic Service on December 14, 1940. They were 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 R. Admiral Leo B. McCuddin, U.S. Navy, Commander of the U.S. Naval Support Force, Antarctica, 1972.

Mount McCue
Mount McCue (-84.75°N, -174.68333°W) is a peak (1,710 m) standing 5.5 nautical miles (10 km) northwest of Mount Wade in the Prince Olav Mountains. Discovered by the United States Antarctic Service (USAS), 1939-41. Surveyed by A.P. Crary (1957-58) and named by him for James A. McCue, U.S. Navy, radio mechanic, who was in charge of the first Beardmore Camp during the 1957-58 season.

McCuistion Glacier
McCuistion Glacier (-84.81667°N, -175.5°W) is a tributary glacier, 4 nautical miles (7 km) long, which flows west along the north side of Lubbock Ridge to enter Shackleton Glacier, in the Queen Maud Mountains. Named by Advisory Committee on Antarctic Names (US-ACAN) for Joshua P. McCuistion, Construction Driver 1st Class, U.S. Navy, who was injured in an Otter airplane crash on December 22, 1955, following take-off from the Cape Bird area.

McDaniel Nunatak
McDaniel Nunatak (-75.8°N, 161.8°W) is a ridgelike projection at the north side of the head of Davis Glacier, about 5 nautical miles (9 km) north of Mount George Murray, in the Prince Albert Mountains, Victoria Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1956-62. Named by Advisory Committee on Antarctic Names (US-ACAN) for James R. McDaniel, satellite geodesist with the McMurdo Station winter party, 1966.

McDermott Glacier
McDermott Glacier (-78.33333°N, 162.06667°W) is a named after Cathleen McDermott, United States Geological Survey (USGS) cartographer, a member of the satellite surveying team at South Pole Station, winter party 1993.

McDonald Bank
McDonald Bank (-75.5°N, -26.58333°W) is a bank in the Weddell Sea named in association with McDonald Ice Rumples. Name proposed by Dr. Heinrich Hinze, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany. Name approved 6/97 (ACUF 271).

McDonald Bay
McDonald Bay (-66.6°N, 92.73333°W) is an open bay, 10 nautical miles (18 km) wide at its entrance between Adams Island and the Haswell Islands, lying immediately west of Mabus Point on the coast of Antarctica. Charted by the Australasian Antarctic Expedition under Mawson, 1911-14. Named by the Advisory Committee on Antarctic Names (US-ACAN) after Commander Edwin A. McDonald, U.S. Navy, Commander of the USS Burton Island, flagship of the two icebreakers which supported the U.S. Navy Operation Windmill parties which established astronomical stations along Wilhelm II, Queen Mary, Knox and Budd Coasts during the 1947-48 summer season.

McDonald Beach
McDonald Beach (-77.25°N, 166.35°W) is an extensive beach lying west of Inclusion Hill and 6 nautical miles (11 km) southwest of Cape Bird on Ross Island. Named by the New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1958-59, after Captain Edwin A. McDonald, then Deputy Commander, U.S. Naval Support Force, Antarctica, who provided extensive transport and other facilities to the NZGSAE in support of the survey of the Cape Bird area.

McDonald Heights
McDonald Heights (-74.91667°N, -136°W) is a broad, mainly snow-covered heights about 35 nautical miles (60 km) long and rising over 1,000 m between Cape Burks and Morris Head on the coast of Marie Byrd Land. The heights are bounded southward by the Hull, Kirkpatrick and Johnson Glaciers. The feature was photographed from aircraft of the United States Antarctic Service (USAS), 1939-41. It was observed and partially mapped from the USS Glacier during February 1962, and was mapped in detail by United States Geological Survey (USGS) in 1965. Named by Advisory Committee on Antarctic Names (US-ACAN) after Captain Edwin A. McDonald, U.S. Navy, Deputy Commander of the U.S. Naval Support Force, Antarctica, in 1962, and Commander of the Task Unit that explored this coast in the Glacier in February 1962.

McDonald Ice Rumples
McDonald Ice Rumples (-75.46667°N, -26.3°W) is a severely disturbed area in the Brunt Ice Shelf, which is assumed to be aground and pushed upward in this vicinity. It covers an area 3 by 2 miles. In 1957 the maximum elevation above the general surface of the ice shelf was about 18 meters, a few hundred meters from the ice front. The Royal Society IGY expeditions occupied a base nearby (1955-59) and were familiar with this feature. It has now been identified with "Allan McDonald Glacier" reported by Shackleton's expediton in January 1915. For the sake of historical continuity the United Kingdom Antarctic Place-Names Committee (UK-APC) has given the name McDonald to these ice rumples. Allan McDonald of the British Association of Magallanes at Punta Arenas was chiefly responsible for raising funds for sending the Emma on the third attempt, in July 1916, to rescue the 22 men of the Endurance left on Elephant Island.

McDonald Island
McDonald Island (-53.05°N, 72.6°W) is a rocky island, nearly 1 nautical mile (1.9 km) long, marking the largest feature in the McDonald Islands. This feature was charted and named on an 1874 chart by a British expedition under Nares in the  == See also ==  * List of antarctic and sub-antarctic islands

McDonald Islands
McDonald Islands (-53.03333°N, 72.6°W) is a small island group consisting of several islands and rocks, situated about 23 nautical miles (43 km) west of Heard Island. Named for Captain William McDonald of the British ship Samarang who discovered the islands in January 1854. == See also == * List of antarctic and sub-antarctic islands

McDonald Point
McDonald Point (-67.35°N, 59.66667°W) is a point marking the western end of Islay, an island in William Scoresby Archipelago. The name appears to have been applied by crew members of the William Scoresby, a ship used in charting these islands in February 1936.

McDonald Ridge
McDonald Ridge (-66.33333°N, 52.25°W) is a mostly ice-covered ridge between Johnston and Douglas peaks, about 22 nautical miles (41 km) southeast of Mount Biscoe in Enderby Land. Plotted from air photos taken from ANARE (Australian National Antarctic Research Expeditions) aircraft in 1956. Named by Antarctic Names Committee of Australia (ANCA) for K.R. McDonald, radio officer at Mawson Station in 1961.

Mount McDonald
Mount McDonald (-72.5°N, 166.6°W) is a peak (2,470 m) on the north side of Trafalgar Glacier, 4 nautical miles (7 km) northwest of Mount Burton, in the Victory Mountains, Victoria Land. Named by NZFMCAE, 1962-63, for William McDonald, crew member on the Terra Nova during the British Antarctic Expedition, 1910-13. McDonald, who lives in New Zealand, was a guest of the U.S. Navy during the 1962-63 Antarctic season when he visited the continent again with two others of Scott's veterans.

McDonough Nunataks
McDonough Nunataks (-85.13333°N, 179.98333°W) is a small group of isolated rock nunataks at the south margin of the Queen Maud Mountains, rising above the ice plateau 5 nautical miles (9 km) west of Mount Rosenwald. Named by Advisory Committee on Antarctic Names (US-ACAN) for John W. McDonough, United States Antarctic Research Program (USARP) ionospheric physicist at the South Pole Station, 1962.

McElroy Glacier
McElroy Glacier (-70.96667°N, 166.96667°W) is a tributary glacier just west of Matthews Ridge on Tapsell Foreland, Victoria Land. It drains south to join Barnett Glacier. 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 Clifford T. McElroy, United States Antarctic Research Program (USARP) geologist at McMurdo Station, 1964-65 and 1966-67.

McElroy Ridge
McElroy Ridge (-72.61667°N, 168.05°W) is a high mountainous ridge, 16 nautical miles (30 km) long, in the Victory Mountains of Victoria Land. The ridge is bounded by the Gruendler, Trainer, Trafalgar and Rudolph Glaciers. Mapped in part by the New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1957-58. Mapped in detail by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960-62. Named by Advisory Committee on Antarctic Names (US-ACAN) for William D. McElroy, Director of the National Science Foundation, 1969-72.

Mount McElroy
Mount McElroy (-74.15°N, -63.2°W) is a prominent mountain at the west end of the Hutton Mountains, in southeast Palmer Land. Discovered by the Ronne Antarctic Research Expedition (RARE), 1947-48, led by Ronne, who named the mountain for T.P. McElroy, of Boston, who contributed the radio and communication instruments for the expedition.

McFarlane Strait
McFarlane Strait (-62.53333°N, -59.91667°W) is a strait lying between Greenwich and Livingston Islands, in the South Shetland Islands. The name appears on an 1822 chart by Captain George Powell, a British sealer, and is now well established in international usage.

McGaw Peak
McGaw Peak (-75.86667°N, -140.98333°W) is a prominent peak (over 800 m) on the ridge between Land Glacier and Paschal Glacier in Marie Byrd Land. It stands midway between Mount McCoy and Pearson Peak. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy aerial photographs, 1959-65. Named by Advisory Committee on Antarctic Names (US-ACAN) for Maj. Hugh R.L. McGaw, USA, Logistics Research Officer on the staff of the Commander, U.S. Naval Support Force, Antarctica, during Operation Deep Freeze 1971 and 1972.

McGee Rock
McGee Rock (-75.9°N, -142.98333°W) is an isolated rock at the south side of Parker Pass, about 5 nautical miles (9 km) south of Zuncich Hill, in 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 Wayne R. McGee, EO3, U.S. Navy, Equipment Operator at Byrd Station, 1966.

Mount McGee
Mount McGee (-74.05°N, 164.55°W) is a mountain, 1,410 m, rising from a ridge at the north side of Clausnitzer Glacier in the Random Hills, in Victoria Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1955-63. Named by Advisory Committee on Antarctic Names (US-ACAN) for Lawrence E. McGee, geologist at McMurdo Station, 1965-66 season.

Mount McGhee
Mount McGhee (-66.93333°N, 52.65°W) is a mountain 4 nautical miles (7 km) south of Mount Smethurst 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 J. McGhee, mechanic and driver at Wilkes Station in 1961.

McGinnis Peak
McGinnis Peak (-84.53333°N, -177.86667°W) is a prominent peak (1,270 m) with a large, bare cirque in the north slope, standing near the edge of the Ross Ice Shelf, just east of the lower part of Kosco Glacier and 3.5 nautical miles (6 km) southwest of Oppegaard Spur. Discovered by the United States Antarctic Service (USAS), 1939-41. Surveyed by A.P. Crary in 1957-58, and named by him for Lyle McGinnis, seismologist with the U.S. Victoria Land Traverse Party in 1958-59.

McGrady Cove
McGrady Cove (-66.26667°N, 110.56667°W) is a cove at the head of Newcomb Bay 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 Chief Photographer's Mate E.D. McGrady, U.S. Navy, who participated in the flights of U.S. Navy Operation Highjump over the Windmill Islands in 1947.

McGrath Nunatak
McGrath Nunatak (-68.05°N, 63.01667°W) is a ridge-like nunatak at the west end of the Blanabbane Nunataks, standing 7 nautical miles (13 km) southeast of Van Hulssen Nunatak in Mac. Robertson Land. Mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936-37. Named by Antarctic Names Committee of Australia (ANCA) for P.J. McGrath, radio officer at Mawson Station who assisted in the ANARE (Australian National Antarctic Research Expeditions) Framnes Mountains-Depot Peak survey during 1965.

Mount McGrath
Mount McGrath (-70.88333°N, 65.46667°W) is a mountain 1 nautical mile (1.9 km) northeast of Mount Bewsher in the Aramis Range, Prince Charles Mountains. Plotted from ANARE (Australian National Antarctic Research Expeditions) air photos. Named by Antarctic Names Committee of Australia (ANCA) for A.E. McGrath, assistant diesel mechanic at Mawson Station in 1963.

McGregor Glacier
McGregor Glacier (-85.13333°N, -174.83333°W) is a tributary glacier, 14 nautical miles (26 km) long and 3 nautical miles (6 km) wide, draining the southwest slopes of the Prince Olav Mountains and flowing west to enter Shackleton Glacier just north of Cumulus Hills. Named by the Southern Party of New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1961-62) for V.R. McGregor, geologist with that party.

McGregor Range
McGregor Range (-71.96667°N, 167.85°W) is a mountain range 13 nautical miles (24 km) long in the south-central Admiralty Mountains. The range is circumscribed by the flow of the Tucker, Leander, Fitch and Man-o-War Glaciers. Partially mapped by the New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1957-58. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy aerial photography, 1960-63. Named by Advisory Committee on Antarctic Names (US-ACAN) for Commander Ronald K. McGregor, U.S. Navy, leader of Antarctic Support Activities at McMurdo Station, winter party 1962.

Mount McGregor
Mount McGregor (-70.61667°N, 66.65°W) is a peak surmounting the southwest end of Thomson Massif in the Aramis Range, Prince Charles Mountains. Sighted in December 1956 by the ANARE (Australian National Antarctic Research Expeditions) southern party led by W.G. Bewsher, and named for Peter McGregor, geophysicist at Mawson Station in 1956.

McGuire Island (Antarctica)
McGuire Island (-64.76667°N, -64.4°W) is an island in the northeast portion of the Joubin Islands. Named by Advisory Committee on Antarctic Names (US-ACAN) for Thomas J. McGuire, Oiler in RV Hero in her first voyage to Antarctica and Palmer Station in 1968. == See also == * List of antarctic and sub-antarctic islands

McHugo Peak
McHugo Peak (-69.85°N, -68.08333°W) is a prominent peak rising to 1,250 m, marking the northwest extremity of Traverse Mountains on the Rymill Coast, Palmer Land. The peak was photographed from the air by the U.S. Navy, 1966, and was surveyed by British Antarctic Survey (BAS), 1971-72. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1977 after M. Barbara McHugo, Senior Map Officer, Directorate of Overseas Surveys, 1958-86, with responsibility for Antarctic mapping, 1960-1984.

McIlroy Peak
McIlroy Peak (-54.18333°N, -36.76667°W) is a peak rising to 745 m west of Husvik Harbor and 0.8 nautical miles (1.5 km) south of Mount Barren, South Georgia. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1990 after Dr. James A. McIlroy (1879-1968), surgeon on the British Imperial Trans-Antarctic Expedition, 1914-16, in Endurance, and on the Shackleton-Rowett Antarctic Expedition, 1921-22, in

McIntosh Cliffs
McIntosh Cliffs (-78.53333°N, 166.4°W) is a line of steep, uneven, volcanic bluffs or cliffs, 16 nautical miles (30 km) long, forming the southwest side of the Minna Bluff peninsula, at the south end of Scott Coast, Victoria Land. The height of the cliffs increases from west to east, ranging from 400-600 m above Ross Ice Shelf. Named by Advisory Committee on Antarctic Names (US-ACAN) (1999) after William C. McIntosh, Department of Geoscience, New Mexico Institute of Mining and Technology, Socorro, a member of the 1982 NMIMT field party that carried out the first geological mapping of Minna Bluff; additional field work at Mount Erebus, 1977-78, 1984-85; Mount Discovery and Mason Spur, 1983-84; Mount Murphy, 1985; Executive Committee Range, 1989-90; Crary Mountains, 1992-93.

Mount McIntosh
Mount McIntosh (-77.51667°N, 168.68333°W) is a mountain rising to c.2600 m in the west part of Kyle Hills, Ross Island. It stands at the northwest end of Lofty Promenade, 1.5 nautical miles (2.8 km) east of the summit of Mount Terror. The mountain in conspicuous because of diagonal bands of rock and ice on the north face. At the suggestion of P.R. Kyle, named by Advisory Committee on Antarctic Names (US-ACAN) (2000) after William C. McIntosh, geologist, New Mexico Institute of Mines and Technology, who worked extensively in Antarctica under United States Antarctic Program (USAP) auspices and in support of Kyle's investigations on Mount Erebus; made first trip to Mount Erebus in 1977-78 and at least 15 trips through 1999.

McIntyre Island
McIntyre Island (-66.23333°N, 110.56667°W) is a small island just west of Blakeney Point, Clark Peninsula, in the Windmill Islands. The island was photographed from the air by U.S. Navy Operation Highjump (1946-47) and was included in a 1957 ground survey by C.R. Eklund. Named by the latter for construction mechanic Robert McIntyre, U.S. Navy, of the Wilkes Station party, 1957. == See also == * List of antarctic and sub-antarctic islands

McIntyre Island
McIntyre Island (-67.36667°N, 49.08333°W) is the easternmost of the Hydrographer Islands, lying just south of Sakellari Peninsula, Enderby Land. Plotted from ANARE (Australian National Antarctic Research Expeditions) air photos in 1957 and visited by an ANARE party in 1959. Named by Antarctic Names Committee of Australia (ANCA) for Sgt. H. McIntyre, RAAF, engine fitter at Mawson Station in 1959. == See also == * List of antarctic and sub-antarctic islands

McIntyre Promontory
McIntyre Promontory (-84.95°N, 179.66667°W) is a promontory having the ground plan of a sharp V pointed toward the north, with steep cliffs on either flank, forming a part of the Bush Mountains at the head of Ramsey Glacier. Discovered and photographed by U.S. Navy Operation Highjump on Flight 8A of February 16, 1947, and named by Advisory Committee on Antarctic Names (US-ACAN) for Captain Eugene C. McIntyre, United States Marine Corps (USMC), copilot on this flight.

Mount McIntyre
Mount McIntyre (-87.28333°N, -153°W) is a rocky, flat, projecting-type mountain that forms the northeast extremity of D'Angelo Bluff. It rises at the west side of Scott Glacier, near the head, directly opposite Mount Howe. Discovered in December 1934 by the Byrd Antarctic Expedition geological party led by Quin Blackburn. Named by Admiral Byrd for Marvin H. McIntyre, secretary to the President of the United States at that time, Franklin D. Roosevelt.

McKaskle Hills
McKaskle Hills (-70.01667°N, 73°W) is a group of moderately low, rocky coastal hills between Rogers Glacier and Mistichelli Hills, on the eastern margin of the Amery Ice Shelf. Delineated in 1952 by John H. Roscoe from air photos taken by U.S. Navy Operation Highjump (1946-47), and named by him for H.A. McKaskle, air crewman on Operation Highjump photographic flights over coastal areas between 14 and 164 East longitude.

McKay Cliffs
McKay Cliffs (-82.31667°N, 156°W) is a line of cliffs about 20 nautical miles (37 km) long, forming the north wall of Geologists Range. Seen by the northern party of the New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1961-62) and named for Alexander McKay, pioneer New Zealand geologist.

McKay Creek
McKay Creek (-77.65°N, 162.75°W) is a meltwater stream, 250 m long, heading on Suess Glacier west-southwest of the west end of Lake Chad at about 100 m elevation and flowing east-northeast into Lake Chad in Taylor Valley, Victoria Land. Named by Advisory Committee on Antarctic Names (US-ACAN) in 1996 after Christopher P. McKay, NASA, planetary scientist, who conducted limnological research on Lake Hoare from 1982 and pioneered the use of year-round environmental data collection in dry valley ecosystems.

McKay Valley
McKay Valley (-79.88333°N, 156.66667°W) is the central valley of three largely ice-free valleys that trend east from Midnight Plateau in the Darwin Mountains. Named after Christopher P. McKay, physicist, NASA Ames Research Center, Moffett Field, CA, who carried out investigations in McMurdo Dry Valleys (micrometeorology, thickness of ice in frozen lakes, stability of ground ice) in 15 austral summers beginning c.1980.

McKellar Glacier
McKellar Glacier (-72.2°N, 167.11667°W) is a tributary glacier flowing south along the east side of Evans Ridge into Pearl Harbor Glacier in the Victory Mountains, Victoria Land. Named by the northern party of NZFMCAE, 1962-63, for I.C. McKellar, geologist and glaciologist to the New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1957-58, which undertook surveys in the nearby Tucker Glacier area.

McKelvey Valley
McKelvey Valley (-77.43333°N, 161.55°W) is a valley between the western part of the Olympus Range and the Insel Range, in Victoria Land. Named by the Victoria University of Wellington Antarctic Expedition (VUWAE) (1958-59) for B.C. McKelvey, a geologist of Victoria University, who, with P.N. Webb, did the first geological exploration of this area (1957-58), and was again in Wright Valley with the VUWAE, 1958-59.

Mount McKelvey
Mount McKelvey (-85.35°N, -87.3°W) is a rocky, mostly ice-free peak (2,090 m) situated less than 1 nautical mile (1.9 km) east of Mount Walcott in the eastern portion of the Thiel Mountains. Surveyed by the United States Geological Survey (USGS) Thiel Mountains party, 1960-61. Named by Advisory Committee on Antarctic Names (US-ACAN) for Vincent E. McKelvey, ninth director of the U.S. Geological Survey, 1971-78. During this period numerous USGS geologic and topographic expeditions, for which he had administrative responsibility, were carried out in Antarctica.

Mount McKenny
Mount McKenny (-71.66667°N, 160.36667°W) is a mountain (1,890 m) at the south end of Daniels Range, 4 nautical miles (7 km) southeast of Mount Toogood, in the Usarp Mountains. 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 Clarence D. McKenny, United States Antarctic Research Program (USARP) meteorologist who wintered at the South Pole Station in 1959 and 1961, and at Eights Station in 1963.

McKenzie Nunatak
McKenzie Nunatak (-71.23333°N, 163.41667°W) is a very prominent nunatak (1,620 m) which rises above the ice between McLin and Graveson Glaciers, in the Bowers Mountains. Mapped by United States Geological Survey (USGS) from ground surveys and U.S. Navy air photos, 1960-62. Named by Advisory Committee on Antarctic Names (US-ACAN) for Garry D. McKenzie, glaciologist, who participated in the study of Meserve Glacier in 1966-67.

McKenzie Peak
McKenzie Peak (-70.3°N, 65.63333°W) is a peak just south of Mount Albion in the Athos Range, Prince Charles Mountains. Plotted from ANARE (Australian National Antarctic Research Expeditions) air photos of 1965. Named by Antarctic Names Committee of Australia (ANCA) for J.F. McKenzie, radio technician at Wilkes Station in 1963.

Mount McKenzie
Mount McKenzie (-70.66667°N, 67.01667°W) is a pyramidal peak, 2,255 m, situated 3.5 nautical miles (6 km) southeast of Saxton Ridge in the Amery Peaks of the Aramis Range, Prince Charles Mountains. Seen by the ANARE (Australian National Antarctic Research Expeditions) southern party led by W.G. Bewsher, 1956-57. Named by Antarctic Names Committee of Australia (ANCA) for John A. McKenzie, cook at Mawson Station in 1956.

Mount McKeown
Mount McKeown (-77.93333°N, -85.51667°W) is a mountain (1,880 m) on the north side of Embree Glacier, 3 nautical miles (6 km) northeast of Mount Schmid, in the north portion of 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 First Lieutenant Donald F. McKeown, United States Air Force (USAF), who participated in establishing the South Pole Station in the 1956-57 season.

Mount McKercher
Mount McKercher (-86.15°N, -150.03333°W) is a mountain, 2,230 m, standing at the east side of Scott Glacier, just north of the mouth of Griffith Glacier, in the Queen Maud Mountains. Discovered in December 1934 by the Byrd Antarctic Expedition geological party under Quin Blackburn, and named for Hazel McKercher, secretary to R. Admiral Byrd during the period of this expedition.

Mount McKerrow
Mount McKerrow (-81.75°N, 159.8°W) is a prominent mountain on the east side of Starshot Glacier, standing 5 nautical miles (9 km) north of Thompson Mountain in Surveyors Range. Discovered by the New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1960-61) and named for James McKerrow, a former Surveyor General of New Zealand.

Mount McKibben
Mount McKibben (-75.38333°N, -64.7°W) is a mountain standing 5 nautical miles (9 km) southwest of Hansen Inlet and 3 nautical miles (6 km) southeast of McCaw Ridge, near the base of Antarctic Peninsula. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1961-67. Named by Advisory Committee on Antarctic Names (US-ACAN) for L.D. McKibben, U.S. Navy, shipfitter with the South Pole Station winter party in 1963.

McKinley Nunatak
McKinley Nunatak (-85.3°N, -170.05°W) is the southernmost of three large nunataks in upper Liv Glacier, about 5 nautical miles (9 km) north-northeast of Barnum Peak. Named by the Southern Party of the New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1961-62) for Captain Ashley C. McKinley, photographer with R. Admiral Richard E. Byrd on his South Pole flight of 1929.

McKinley Peak
McKinley Peak (-77.9°N, -148.3°W) is a peak standing 15 nautical miles (28 km) west of Hershey Ridge at the south end of the Ford Ranges in Marie Byrd Land. Discovered on the Byrd Antarctic Expedition flight of December 5, 1929, and named by Byrd for Grace McKinley, wife of Captain Ashley C. McKinley, aerial photographer and third-in-command of the expedition.

McKinnis Peak
McKinnis Peak (-69.56667°N, 159.35°W) is a peak (510 m) 2 nautical miles (3.7 km) southeast of Holladay Nunataks in the Wilson Hills. It surmounts the peninsula that is bounded by Tomilin and Noll Glaciers on the west and Gillett Ice Shelf on the east. 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 Joe D. McKinnis of U.S. Navy Squadron VX-6, Aviation Electronics Technician and air crewman on LC-130F aircraft in five Operation Deep Freeze deployments through 1969.

McKinnon Glacier
McKinnon Glacier (-70.63333°N, 67.75°W) is a glacier flowing southeast from the Nemesis Glacier to Beaver Lake in the east part of the Aramis Range, Prince Charles Mountains. The area was first visited by an ANARE (Australian National Antarctic Research Expeditions) party in 1956 and mapped from ANARE air photographs. Named by Antarctic Names Committee of Australia (ANCA) for G.W. McKinnon, Geographical Officer with the Antarctic Division, Melbourne, Officer in Charge of the ANARE Prince Charles Mountains survey party in 1969.

McKinnon Island
McKinnon Island (-67.6°N, 47.58333°W) is a large island, mostly ice covered, in the Hannan Ice Shelf along the coast of Enderby Land. Plotted from air photos taken by ANARE (Australian National Antarctic Research Expeditions) in 1956. Named for Graeme W. McKinnon, Geographical Officer of the Antarctic Division, Melbourne, and Secretary of the Antarctic Names Committee of Australia. == See also == * List of antarctic and sub-antarctic islands

McKinzie Islands
McKinzie Islands (-74.05°N, -101.83333°W) is a group of small islands in the northeast extremity of Cranton Bay. 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 Richard H. McKinzie, U.S. Navy, hospital corpsman at Byrd Station, 1967. == See also == * List of antarctic and sub-antarctic islands

McKnight Creek
McKnight Creek (-77.6°N, 163.26667°W) is a glacial meltwater stream, 1 nautical mile (1.9 km) long, flowing southwest from the snout of Commonwealth Glacier and entering the east end of Lake Fryxell between Lost Seal Stream and Aiken Creek, in Taylor Valley, Victoria Land. Named by the Advisory Committee on Antarctic Names (US-ACAN) after Diane McKnight, research hydrologist, United States Geological Survey (USGS), leader of USGS field teams over several years (1987-94) that made extensive studies of the hydrology and geochemistry of streams flowing into Lake Fryxell.

McLaren Ridge
McLaren Ridge (-70.86667°N, 67.63333°W) is a rock ridge at the head of Battye Glacier, about 5 nautical miles (9 km) west of Radok Lake in the Aramis Range, Prince Charles Mountains. Plotted from ANARE (Australian National Antarctic Research Expeditions) air photos taken in 1956 and 1960. Named by Antarctic Names Committee of Australia (ANCA) for W.A. McLaren, glaciologist at Wilkes Station in 1965.

McLaughlin Cliffs
McLaughlin Cliffs (-71.58333°N, -67.53333°W) is the abrupt rock cliffs that overlook George VI Sound between the Armstrong and Conchie Glaciers, in west Palmer Land. Named by Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant Donald J. McLaughlin, CEC, U.S. Navy Reserve, Officer-in-Charge of Palmer Station in 1970. The steep cliffs provide nesting sites for a colony of Snow Petrels (Pagodroma nivea).

McLaughlin Peak
McLaughlin Peak (-74.58333°N, -64.3°W) is a peak standing 9 nautical miles (17 km) east-southeast of Mount Aaron in the north part of the Latady Mountains, in Palmer Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1961-67. Named by Advisory Committee on Antarctic Names (US-ACAN) for Robert H. McLaughlin, U.S. Navy, engineman with the South Pole Station winter party in 1964.

McLay Glacier
McLay Glacier (-81.03333°N, 158.81667°W) is a glacier flowing southeast into Nursery Glacier, Churchill Mountains. Mount Durnford, Mount Stewart and Mount Liard flank the north and Turk Peak and Bradshaw Peak flank the south. Named in honor of the Honorable James Kenneth McLay, QSO, who was the former Minister of Justice, Attorney General and Deputy Prime Minister. He held the position of New Zealand's Whaling Commissioner for 9 years, during which time he fought for a whaling sanctuary in the Southern Ocean, and opposed scientific whaling.

McLea Nunatak
McLea Nunatak (-75.98333°N, 159.5°W) is a nunatak between Richards Nunatak and Sharks Tooth, in the Prince Albert Mountains, Victoria Land. Named by the Southern Party of the New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1962-63, for F. McLea, radio operator at Scott Base who was responsible for the field party radio communications.

McLean Buttress
McLean Buttress (-77.31667°N, 160.96667°W) is a buttress-like mountain or promontory at the north side of Webb Lake and Barwick Valley in Victoria Land. It rises abruptly from the valley and marks the south limit of the cliffs known as The Fortress. Named by Advisory Committee on Antarctic Names (US-ACAN) for Captain Frank E. McLean, USCG, Commanding Officer of USCGC Burton Island in the Ross Sea during Operation Deep Freeze 1970 and 1971.

McLean Glacier
McLean Glacier (-70.98333°N, 164.75°W) is a tributary glacier located north of Mount Hemphill in the southwest part of Anare Mountains, draining west and entering the lower part of Ebbe Glacier just south of Beaman Glacier. Named by Advisory Committee on Antarctic Names (US-ACAN) for Kenneth S. McLean, topographic engineer with the United States Geological Survey (USGS) Topo East-West party that surveyed this area in the 1962-63 season.

McLean Nunataks
McLean Nunataks (-67.83333°N, 143.95°W) is a group of three nunataks lying within the western part of Mertz Glacier, near the head. Discovered by the Australasian Antarctic Expedition (1911-14) under Douglas Mawson, who named them after Dr. Archie L. McLean, medical officer and bacteriologist with the expedition.

McLean Peak
McLean Peak (-85.85°N, -141.58333°W) is a peak, 2,290 m, surmounting a spur descending from the northwest end of Stanford Plateau, along the Watson Escarpment. Mapped by United States Geological Survey (USGS) from ground surveys and U.S. Navy air photos, 1960-63. Named by Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant William E. McLean, U.S. Navy, medical officer and officer in charge of the South Pole Station winter party in 1964.

McLean Ridge
McLean Ridge (-70.73333°N, 66.85°W) is a small, partly ice-covered ridge about 3 nautical miles (6 km) southeast of Mount Butterworth in the Aramis Range, Prince Charles Mountains. Plotted from ANARE (Australian National Antarctic Research Expeditions) air photos taken in 1956 and 1960. Named by Antarctic Names Committee of Australia (ANCA) for C.V. McLean, senior diesel mechanic at Wilkes Station in 1963.

Mount McLennan
Mount McLennan (-67.2°N, 51.08333°W) is a mountain 4 nautical miles (7 km) south of Howard Hills in the northeast part of the Scott Mountains, Enderby Land. Plotted from air photos taken from ANARE (Australian National Antarctic Research Expeditions) aircraft in 1956. Named by Antarctic Names Committee of Australia (ANCA) for K. McLennan, a member of the crew of the Discovery during the British Australian New Zealand Antarctic Research Expedition (BANZARE), 1929-31.

Mount McLennan (Victoria Land)
Mount McLennan (-77.58333°N, 162.93333°W) is a prominent mountain rising over 1,600 m at the north side of Taylor Valley, surmounting the area at the heads of Canada, Commonwealth, and Loftus Glaciers, in Victoria Land. Named by C.S. Wright of the British Antarctic Expedition (1910-13) for Professor McLennan, physicist of Toronto University, Canada.

McLeod Glacier (South Orkney Islands)
McLeod Glacier (-60.73333°N, -45.63333°W) is a glacier 1 nautical mile (1.9 km) long, flowing in a southeast direction into Clowes Bay on the south side of Signy Island, in the South Orkney Islands. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1954 for Michael McLeod, following a survey by the Falkland Islands Dependencies Survey (FIDS) in 1947. On December 12, 1821, the cutter of the South Orkney Islands, where a chart annotation indicates that land was sighted, possibly Coronation Island.

McLeod Glacier (Wilson Hills)
McLeod Glacier (-69.36667°N, 158.36667°W) is a glacier that descends from the Wilson Hills, between Stanwix and Arthurson Ridges, into Davies Bay. Plotted by Australian cartographers from air photos taken by U.S. Navy Operation Highjump, 1946-47. Named by Antarctic Names Committee of Australia (ANCA) for Ian R. McLeod, geologist and leader of an airborne field party that visited this area with the ANARE (Australian National Antarctic Research Expeditions) (Magga Dan), 1961.

McLeod Hill
McLeod Hill (-68.08333°N, -66.5°W) is a rounded, ice-covered hill, 1,790 m, which forms a prominent landmark 1 nautical mile (1.9 km) east of the head of Northeast Glacier in Graham Land. First roughly surveyed in 1936 by the British Graham Land Expedition (BGLE), and resurveyed by the United States Antarctic Service (USAS), 1939-41. It was resurveyed in 1946 by the Falkland Islands Dependencies Survey (FIDS) and named for Kenneth A. McLeod, FIDS meteorological observer who, during July-December 1947, occupied with a member of the Ronne Antarctic Research Expedition (RARE) the plateau meteorological station 1 nautical mile (1.9 km) east of this hill.

McLeod Massif
McLeod Massif (-70.76667°N, 68°W) is a large rock massif just south of Manning Massif in the east part of Aramis Range, Prince Charles Mountains. Plotted from air photographs. First visited by the ANARE (Australian National Antarctic Research Expeditions) Prince Charles Mountains survey in 1969. Named by Antarctic Names Committee of Australia (ANCA) for I.R. McLeod, geologist-in-charge of geological field operations during the ANARE Prince Charles Mountains surveys of 1969 and 1970.

McLeod Nunataks
McLeod Nunataks (-67.48333°N, 52.7°W) is an isolated group of nunataks 35 nautical miles (60 km) southeast of the Tula Mountains in Enderby Land. Photographed in 1956 by ANARE (Australian National Antarctic Research Expeditions) aircraft. First visited in December 1958 by ANARE dog-sledge party with position fixed by G.A. Knuckey. Named by Antarctic Names Committee of Australia (ANCA) for I.R. McLeod, geologist at Mawson Station in 1958, a member of the dog-sledge party.

McLin Glacier
McLin Glacier (-71.2°N, 163.45°W) is a tributary glacier which flows north of McKenzie Nunatak into Graveson Glacier, in the Bowers Mountains. The glacier saddles with Carryer Glacier on the west and is nourished in part by Edlin Neve. Named by the New Zealand Geological Survey Antarctic Expedition (NZGSAE) to this area, 1967-68, for Lieutenant Commander Robert D. McLin, U.S. Navy, pilot of Hercules LC-130 aircraft in Antarctica that season.

McMahon Glacier
McMahon Glacier (-70.75°N, 165.75°W) is a glacier about 18 nautical miles (33 km) long in the Anare Mountains, Victoria Land. It drains north between Buskirk Bluffs and Gregory Bluffs into Nielsen Fjord. Named by Antarctic Names Committee of Australia (ANCA) for F.P. McMahon, Logistics Officer with the Australian Antarctic Division, who led a number of expeditions to Macquarie Island and was second-in-charge of several expeditions to Antarctica.

McMahon Islands
McMahon Islands (-67.63333°N, 45.96667°W) is a two low, peaked, rocky islands, 0.5 nautical miles (0.9 km) north of the Thala Hills, Enderby Land. Plotted from ANARE (Australian National Antarctic Research Expeditions) air photos taken in 1956 and visited by the ANARE (Thala Dan) in February, 1961. Named by Antarctic Names Committee of Australia (ANCA) for F.P. McMahon, Supply Officer, Antarctic Division, Melbourne, and second-in-command of the ANARE (Thala Dan), 1960-61. == See also == * List of antarctic and sub-antarctic islands

Mount McMahon
Mount McMahon (-70.86667°N, 65.15°W) is a mountain about 5 nautical miles (9 km) west of Mount Bewsher in the Prince Charles Mountains. Plotted from ANARE (Australian National Antarctic Research Expeditions) air photos. Named for R. McMahon, officer in charge at Mawson Station in 1963.

McManus Glacier
McManus Glacier (-69.46667°N, -71.45°W) is a glacier flowing north into Palestrina Glacier, northwest Alexander Island. Surveyed by British Antarctic Survey (BAS), 1975-76. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) in 1980 after Alan James McManus, BAS cook, Grytviken and Faraday, 1971-73; Adelaide and Rothera, 1975-78.

McMorrin Glacier
McMorrin Glacier (-67.98333°N, -67.16667°W) is a glacier flowing west from Mount Metcalfe to Marguerite Bay in Graham Land. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for Ian McMorrin, British Antarctic Survey (BAS) general assistant at Stonington Island, 1961-63, who helped survey this area in 1962.

McMullin Island
McMullin Island (-66.28333°N, 110.51667°W) is a rocky island, 0.3 nautical miles (0.6 km) long, lying between Shirley and Kilby Islands in the south part of the entrance of Newcomb Bay, 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 John P. McMullin, air crewman with U.S. Navy Operation Windmill which established astronomical control in the area in January 1948. == See also == * List of antarctic and sub-antarctic islands

McMurdo Dry Valleys
McMurdo Dry Valleys (-77.5°N, 162°W) is a convenient name for a geographic area, 120 nautical miles (220 km) long and 50 nautical miles (90 km) wide, encompassing the largest assemblage of ice-free features in Antarctica. The area occupies the south portion of Scott Coast, Victoria Land, and is roughly defined as extending from 7630S to 7830S, between 16000E and 16430E. A variety of feature types occur within the area including mountains, ranges, glaciers, lakes, and ice-free valleys, the latter generally referred to as "dry valleys" following R.F. Scott's usage of 1907. Three concentrations of ice-free areas are notable: in the north, Alatna Valley and other ice-free valleys are associated with Convoy Range; the main central sector is bounded by Saint Johns Range, Quartermain Mountains, and Kukri Hills and includes Victoria Valley, Barwick Valley, Balham Valley, McKelvey Valley, Wright Valley, the elevated valleys of the Olympus Range and Asgard Range, the Pearse Valley, Taylor Valley, and the valleys in Quartermain Mountains; in the extreme southeast, Garwood Valley, Marshall Valley, Miers Valley, Hidden Valley, Pyramid Trough, and Roaring Valley lie near the coast between Royal Society Range and Koettlitz Glacier. Much scientific interest has focused on this area because extensive sections of bedrock are exposed to study. Parts of the area were visited by British expeditions led by Captain Robert F. Scott (1901-04 and 1910-13), who referred to Taylor Valley, as well as Beacon Valley and Pyramid Trough (named later), as "dry valleys." In 1986, the Advisory Committee on Antarctic Names (US-ACAN) recommended the name McMurdo Dry Valleys from among several informal names which were then in use. The name is in accord with the historical use of the term "dry valleys" in this area, with the fact that the ice-free valleys are the salient characteristic of the area as a whole, and with the situation of this feature adjacent to McMurdo Sound and McMurdo Ice Shelf.

McMurdo Ice Shelf
McMurdo Ice Shelf (-78°N, 166.5°W) is that portion of the Ross Ice Shelf bounded by McMurdo Sound and Ross Island on the north and Minna Bluff on the south. Studies show this feature has characteristics quite distinct from the Ross Ice Shelf and merits individual naming. A.J. Heine, who made investigations in 1962-63, suggested the name for the ice shelf bounded by Ross Island, Brown Peninsula, Black Island and White Island. Advisory Committee on Antarctic Names (US-ACAN) has extended the application of this name to include the contiguous ice shelf southward to Minna Bluff.

McMurdo Sound
McMurdo Sound (-77.5°N, 165°W) is a sound about 35 nautical miles (60 km) long and wide, lying at the junction of the Ross Sea and Ross Ice Shelf between Ross Island and Victoria Land. Discovered by Captain James Clark Ross in February 1841 and named for Lieutenant Archibald McMurdo of the Terror.

McMurdo Station
McMurdo Station (-77.91667°N, 166.65°W) is a located on Hut Point Peninsula on Ross Island in McMurdo Sound.

Cape McNab
Cape McNab (-66.93333°N, 163.23333°W) is a cape (350 m) which forms the south end of Buckle Island in the Balleny Islands. Named for John McNab, 2d mate of the schooner Eliza Scott, who made a sketch of the Balleny Islands when they were discovered by John Balleny in 1839.

McNair Nunatak
McNair Nunatak (-67.86667°N, 63.38333°W) is a small, clearly defined rock exposure, situated 12 nautical miles (22 km) east of the central part of Masson Range and 5 nautical miles (9 km) south-southeast of Russell Nunatak. Seen first by R. Dovers during the ANARE (Australian National Antarctic Research Expeditions) southern journey of 1954. Named by Antarctic Names Committee of Australia (ANCA) for Richard McNair, cook at Mawson Station, 1955.

McNally Peak
McNally Peak (-86.58333°N, -153.4°W) is a peak 2,570 m, standing 3.5 nautical miles (6 km) west of Mount Farley, near the southeast side of Holdsworth Glacier, in the Queen Maud Mountains. Named by Advisory Committee on Antarctic Names (US-ACAN) for Commander Joseph J. McNally, U.S. Navy, supply officer at McMurdo Station, winter 1959; on the staff of the Commander, U.S. Naval Support Force, Antarctica, during U.S. Navy Operation Deepfreeze 1967.

McNamara Island
McNamara Island (-72.6°N, -93.23333°W) is a mainly ice-covered island, 6 nautical miles (11 km) long, which is partly within the north edge of Abbot Ice Shelf, about 20 nautical miles (37 km) east of Dustin Island. Discovered by R. Admiral Byrd and members of the United States Antarctic Service (USAS) on flights from the Bear, February 27, 1940. Named by Byrd for John McNamara, boatswain on the Jacob Ruppert of the Byrd Antarctic Expedition, 1933-35. == See also == * List of antarctic and sub-antarctic islands

McNaughton Ridges
McNaughton Ridges (-67.53333°N, 50.45°W) is a group of ridges 12 nautical miles (22 km) northeast of Simpson Peak in the Scott Mountains, 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 I.L.K. McNaughton, physicist at Mawson Station in 1961.

Mount McNaughton
Mount McNaughton (-85.96667°N, -128.2°W) is a large mountain rising over 3,000 m, standing 2 nautical miles (3.7 km) south of Haworth Mesa in western Wisconsin Range. 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 John T. McNaughton, Asst. Sec. of Defense for lnternational Security Affairs, a member of the Antarctic Policy Group from 1965 until his death in 1967.

McNeile Glacier
McNeile Glacier (-63.9°N, -59.43333°W) is a glacier flowing northward to the southeast side of Almond Point where it enters Charcot Bay, on the west side of Graham Land. Charted in 1948 by the Falkland Islands Dependencies Survey (FIDS) and named for S.St.C. McNeile, surveyor at the FIDS Hope Bay base in 1948-49.

McNish Island
McNish Island (-54.15°N, -37.46667°W) is the larger of two islands lying at the east side of Cheapman Bay on the south side of South Georgia. Surveyed by the SGS in the period 1951-57, and named by the United Kingdom Antarctic Place-Names Committee (UK-APC) for Harry McNeish (1886-1930), carpenter on the British expedition under Shackleton, 1914-16. McNeish accompanied Shackleton in the Georgia. Name changed from McNeish to McNish 1998 after submittal of Henry McNish's birth certificate to the United Kingdom Antarctic Place-Names Committee. == See also == * List of antarctic and sub-antarctic islands

McPherson Crags
McPherson Crags (-54.48333°N, -37.06667°W) is a group of prominent crags rising to 460 m in central Annenkov Island, South Georgia. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) after Ms. Ray McPherson (1916-75), clerical officer with the British Antarctic Survey (BAS), 1967-75.

McPherson Peak
McPherson Peak (-78.53333°N, -84.7°W) is a peak (2,200 m) located at the west side of the head of Remington Glacier, 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 William C. McPherson, Jr., Navy radioman at the South Pole Station in 1957.

McSaveney Spur
McSaveney Spur (-77.28333°N, 160.58333°W) is a prominent rock spur 2 nautical miles (3.7 km) northeast of Mount Bastion in the Willett Range of Victoria Land. The spur descends northeast from the plateau level toward the northwest flank of Webb Glacier. Named by Advisory Committee on Antarctic Names (US-ACAN) for Maurice J. McSaveney and Eileen R. McSaveney, husband and wife geologists who made investigations of Meserve Glacier and the Wright Valley area, he in 1968-69, 1972-73 and 1973-74; she in 1969-70 and 1972-73.

McSweeney Point
McSweeney Point (-82.81667°N, 166.66667°W) is a sharp rock point 3 nautical miles (6 km) east of the terminus of Davidson Glacier, overlooking the Ross Ice Shelf. Mapped by the United States Geological Survey (USGS) from tellurometer surveys (1961-62) and Navy air photos (1960). Named by Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant R.H. McSweeney, U.S. Navy, Commanding Officer of the USS Tombigbee during U.S. Navy Operation Deepfreeze 1963.

McWhinnie Peak
McWhinnie Peak (-77.26667°N, 162.23333°W) is a peak 2 nautical miles (3.7 km) northeast of Mount Harker in Saint Johns Range, Victoria Land. Named by Advisory Committee on Antarctic Names (US-ACAN) for Mary A. McWhinnie, United States Antarctic Research Program (USARP) biologist who wintered-over at McMurdo Station in 1974. She worked on several Antarctic cruises in USNS Eltanin between 1962 and 1972.

Meade Islands
Meade Islands (-62.45°N, -60.08333°W) is a group of small islands and rocks lying in the north entrance to McFarlane Strait, 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

Meade Nunatak
Meade Nunatak (-80.38333°N, -21.96667°W) is a nunatak 3 nautical miles (6 km) north of Blanchard Hill, rising to 990 m 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 by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1971 after Charles F. Meade (1881-1975), English mountaineer and designer of the Meade tent.

Meads Peak
Meads Peak (-83.75°N, -57.13333°W) is a peak, 1,165 m, standing 0.5 nautical miles (0.9 km) off the northwest end of Hudson Ridge in the Neptune 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 Edward C. Meads, construction driver at Ellsworth Station, winter 1958.

Meander Glacier
Meander Glacier (-73.26667°N, 166.91667°W) is a large meandering tributary to the Mariner Glacier in Victoria Land. The glacier emerges in the vicinity of Mount Supernal and Hobbie Ridge and drains generally eastward for 30 nautical miles (60 km) through the Mountaineer Range to join Mariner Glacier just east of Engberg Bluff. The descriptive name was given by the New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1962-63.

Meares Cliff
Meares Cliff (-71.2°N, 168.41667°W) is an angular coastal cliff that rises to 600 m, located 5.5 nautical miles (10 km) west-northwest of Nelson Cliff along the north coast of Victoria Land. First charted by the Northern Party, led by Campbell, of the British Antarctic Expedition, 1910-13. Named by Campbell for Cecil H. Meares who had charge of the dogs on this expedition.

Mechanics Bay
Mechanics Bay (-53.01667°N, 73.51667°W) is a bay, 1 nautical mile (1.9 km) wide, lying immediately east of Saddle Point on the north coast of Heard Island. Named by American sealers after the schooner Mechanic, a tender to the Corinthian in Captain Erasmus Darwin Rogers' sealing fleet which landed at Heard Island in 1855.

Mechnikov Peak
Mechnikov Peak (-71.61667°N, 11.46667°W) is a prominent peak, 2,365 m, at the base of the spur separating Schussel and Grautskala Cirques in the Humboldt Mountains, 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 Russian geographer L.I. Mechnikov, 1838-88.

Medea Dome
Medea Dome (-66.18333°N, -62.05°W) is a snow dome, 350 m, marking the east end of Philippi Rise on the east coast of Graham Land. Surveyed by the Falkland Islands Dependencies Survey (FIDS) in 1953. Named in 1956 by the United Kingdom Antarctic Place-Names Committee (UK-APC) in association with Jason Peninsula. Medea helped Jason to obtain the golden fleece and later became his wife.

Medhalsen Saddle
Medhalsen Saddle (-72.15°N, 3.16667°W) is an ice saddle just south of Risemedet Mountain in the Gjelsvik Mountains, Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by the Norwegian Antarctic Expedition (1956-60) and named Medhalsen (the landmark neck).

Medhovden Bluff
Medhovden Bluff (-72.01667°N, 3.3°W) is a high ice-covered bluff with a steep, eastern rock face, forming the northeast end of Risemedet Mountain in the Gjelsvik Mountains, Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by the Norwegian Antarctic Expedition (1956-60) and named Medhovden (the landmark bluff).

Median Snowfield
Median Snowfield (-83.5°N, -52.5°W) is a large snowfield in the Pensacola Mountains between Torbert Escarpment, in the Neptune Range, and the southern part of the Forrestal Range. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1956-66. This name given by Advisory Committee on Antarctic Names (US-ACAN) reflects the position of the feature between the Neptune and Forrestal Ranges.

Medina Peaks
Medina Peaks (-85.6°N, -155.9°W) is a rugged, mainly ice-free peaks surmounting a ridge 15 nautical miles (28 km) long, extending north along the east side of Goodale Glacier to the edge of the Ross Ice Shelf. Portions of the peaks were first seen and roughly mapped by the Byrd Antarctic Expedition, 1928-30. Named by Advisory Committee on Antarctic Names (US-ACAN) for Guillermo Medina, Technical Director of the U.S. Navy Hydrographic Office, 1954-60, and of the Naval Oceanographic Office, 1960-64.

Mount Medina
Mount Medina (-68.45°N, -66.25°W) is a prominent ice-covered mountain (1,845 m) which rises from the northeast part of Hadley Upland and overlooks the head of Gibbs Glacier in southern Graham Land. Photographed by Ronne Antarctic Research Expedition (RARE) in November 1947 (trimetrogon air photography). Surveyed by Falkland Islands Dependencies Survey (FIDS), 1958. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) after Pedro de Medina (1493-1567), Spanish Cosmographer Royal, who wrote Arte de Navegar (Valladolid, 1545), an important manual of navigation.

Medley Ridge
Medley Ridge (-77.53333°N, 160.18333°W) is a rock ridge that extends northeast from Mount Fleming to the south margin of Wright Upper Glacier, in Victoria Land. Named by Advisory Committee on Antarctic Names (US-ACAN) (2004) after David Medley, PHI helicopter mechanic with United States Antarctic Program (USAP) in eight consecutive field seasons from 1996-97.

Medley Rocks
Medley Rocks (-62.96667°N, -56.01667°W) is a group of reefs and rocks lying close off the northeast side of D'Urville Island, in the Joinville Island group. Surveyed by the Falkland Islands Dependencies Survey (FIDS) in 1953-54 and named in 1956. The name arose because of the medley of reefs and rocks in this area.

Medmulen Spurs
Medmulen Spurs (-72.01667°N, 3.13333°W) is a group of rock spurs extending from the north side of Risemedet Mountain, in the Gjelsvik Mountains, Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by the Norwegian Antarctic Expedition (1956-60) and named Medmulen (the landmark snout).

Medusa Peak
Medusa Peak (-79.63333°N, 157.41667°W) is a peak, 1700 m, located southeast of Perseus Peak on Tentacle Ridge, Cook Mountains. Named is association with other peaks in the area after Medusa, one of the three gorgons of Greek mythology.

Medusa Pool
Medusa Pool (-57.06667°N, -26.7°W) is a tidal lagoon which occupies the west side of the central lowlands of Candlemas Island, South Sandwich Islands. The name, given by United Kingdom Antarctic Place-Names Committee (UK-APC) in 1971, is associated in classical mythology with the geomorphologically similar Gorgon Pool, nearby.

Medvecky Peaks
Medvecky Peaks (-70.56667°N, 67.63333°W) is a group of peaks rising from the northwest part of Loewe Massif, in the east part of Aramis Range, Prince Charles Mountains. Plotted from ANARE (Australian National Antarctic Research Expeditions) air photographs. Named by Antarctic Names Committee of Australia (ANCA) for A. Medvecky, geologist with the ANARE Prince Charles Mountains survey in 1969.

Meek Channel
Meek Channel (-65.25°N, -64.25°W) is a narrow channel separating Galindez Island from Grotto Island and Corner Island in the Argentine Islands, Wilhelm Archipelago. Charted in 1935 by the British Graham Land Expedition (BGLE) under Rymill, and named for William McC. Meek, marine architect and surveyor, who was of assistance in preparing the expedition ship Penola for the voyage.

Mount Meeks
Mount Meeks (-86.21667°N, -148.85°W) is a mountain, 2,470 m, surmounting the rocky divide between the Griffith and Howe Glaciers, in the Queen Maud Mountains. 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 Lieutenant Harman T. Meeks of U.S. Navy Squadron VX-6, navigator on aircraft during Operation Deep Freeze 1966 and 1967.

Mefford Knoll
Mefford Knoll (-76.01667°N, -136.26667°W) is a rocky knoll or ledge on the lower west slopes of Mount Berlin massif, in the Flood Range of Marie Byrd Land. Mapped by United States Geological Survey (USGS) from ground surveys and U.S. Navy air photos, 1959-66. Named by Advisory Committee on Antarctic Names (US-ACAN) for Michael Mefford, a member of the United States Antarctic Research Program (USARP) team that studied ice sheet dynamics in the area northeast of Byrd Station, 1971-72.

Mefjell Glacier
Mefjell Glacier (-71.96667°N, 25°W) is a glacier, 5 nautical miles (9 km) long, flowing northwest into Gjel Glacier between Menipa Peak and Mefjell Mountain in the Sor Rondane Mountains. Mapped by Norwegian cartographers in 1957 from air photos taken by U.S. Navy Operation Highjump, 1946-47, and named Mefjellbreen (the middle mountain glacier).

Mefjell Mountain
Mefjell Mountain (-72.08333°N, 25.05°W) is a large mountain rising to 3,080 m, standing 5 nautical miles (9 km) west of Mount Bergersen in the Sor Rondane Mountains. Mapped by Norwegian cartographers in 1946 from air photos taken by the Lars Christensen Expedition, 1936-37, and in 1957 from air photos taken by U.S. Navy Operation Highjump, 1946-47. Named Mefjell (middle mountain) by the Norwegians because of its central location in the mountain group.

Megalestris Hill
Megalestris Hill (-65.18333°N, -64.16667°W) is a rocky hill, 35 m, in the south part of Petermann Island in the Wilhelm Archipelago. First charted and named by the French Antarctic Expedition, 1908-10, under Charcot. Megalestris is an obsolete generic name for the South Polar skua.

Megaw Island
Megaw Island (-66.91667°N, -67.6°W) is the easternmost of the Bennett Islands in Hanusse Bay. Mapped from air photos taken by Ronne Antarctic Research Expedition (RARE) (1947-48) and Falkland Islands and Dependencies Aerial Survey Expedition (FIDASE) (1956-57). Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for Helen Dick Megaw, British physicist who in 1934 made accurate measurements of the cell dimensions of ice. == See also == * List of antarctic and sub-antarctic islands

Mehaugen Hill
Mehaugen Hill (-71.73333°N, 25.55°W) is the central hill in the group at the east side of Kamp Glacier in the Sor Rondane Mountains. Mapped by Norwegian cartographers in 1946 from air photos taken by the Lars Christensen Expedition, 1936-37, and in 1957 from air photos taken by U.S. Navy Operation Highjump, 1946-47. Named Mehaugen (the middle hill) by the Norwegians.

Meholmen Island
Meholmen Island (-68.96667°N, 39.53333°W) is a small island lying midway between Ongul Island and Utholmen Island in Lutzow-Holm Bay. Mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936-37, and named Meholmen (the middle island). == See also == * List of antarctic and sub-antarctic islands

Meier Peak
Meier Peak (-71.85°N, 168.66667°W) is a peak (3,450 m) rising at the south side of the head of Ironside Glacier, 4 nautical miles (7 km) south-southwest of Mount Minto, in the Admiralty Mountains. 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 Lieutenant Commander Miron D. Meier, U.S. Navy Reserve, helicopter pilot with Squadron VX-6 during Operation Deep Freeze 1967 and 1968.

Meier Point
Meier Point (-60.63333°N, -45.9°W) is a point forming the west side of the entrance to Norway Bight on the south side of Coronation Island, in the South Orkney Islands. Named on a chart by Captain Petter Sorlle, Norwegian whaler who made a running survey of the South Orkney Islands in 1912-13.

Meier Valley
Meier Valley (-67.13333°N, -67.4°W) is a valley close east of Mount St. Louis on Arrowsmith Peninsula 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 Mark F. Meier, American geologist who made the first detailed study of strain all over the surface of a glacier, in 1952.

Meiklejohn Glacier
Meiklejohn Glacier (-70.55°N, -67.73333°W) is a glacier, 12 nautical miles (22 km) long and 4 nautical miles (7 km) wide, flowing southwest from the Dyer Plateau of Palmer Land to George VI Sound, immediately south of Moore Point. In its lower reaches the south side of this glacier merges with Millett Glacier. First surveyed in 1936 by the British Graham Land Expedition (BGLE) under Rymill. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1954 for Ian F. Meiklejohn, radio operator of the BGLE, 1934-37.

Meinardus Glacier
Meinardus Glacier (-73.36667°N, -61.91667°W) is an extensive glacier flowing in an east-northeast direction to a point immediately east of Mount Barkow, where it is joined from the northwest by Haines Glacier, and then east to enter New Bedford Inlet close west of Court Nunatak, 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 it was photographed from the air by the Ronne Antarctic Research Expedition (RARE) under Ronne, who in conjunction with the Falkland Islands Dependencies Survey (FIDS) charted it from the ground. Named by the FIDS for Wilhelm Meinardus, German meteorologist and climatologist and author of many publications including the meteorological results of the German Antarctic Expedition under Drygalski, 1901-03.

Mount Meister
Mount Meister (-74.23333°N, 162.78333°W) is a mountain, 2,520 m, on the west side of Priestley Glacier, surmounting the north end of Nash Ridge of the Eisenhower Range, in Victoria Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1955-63. Named by Advisory Committee on Antarctic Names (US-ACAN) for Laurent J. Meister, geologist at McMurdo Station, 1965-66 season.

Meknattane Nunataks
Meknattane Nunataks (-69.8°N, 75.2°W) is a cluster of rock outcrops on the east side of Polarforschung Glacier where it flows to Publications Ice Shelf. The feature consists of a massive ridge with broken outcrops to the south and east. Mapped from air photos by the Lars Christensen Expedition (1936) and named Meknattane (the middle crags). Also photographed by U.S. Navy Operation Highjump (1946-47). The geology of the feature was investigated by I.R. McLeod, geologist with the ANARE (Australian National Antarctic Research Expeditions) Prince Charles Mountains survey party in January 1969.

Mel Moraine
Mel Moraine (-71.88333°N, 9.3°W) is a moraine at the north end of the Gagarin Mountains, in the Orvin Mountains of Queen Maud Land. Mapped by Norwegian cartographers from air photos and surveys by Norwegian Antarctic Expedition, 1956-60, and named Mel (meal).

Melania Ridge
Melania Ridge (-78.15°N, 166.28333°W) is a basalt ridge running southeast for 3 nautical miles (6 km) from Mount Melania, Black Island, in Ross Archipelago. Named by Advisory Committee on Antarctic Names (US-ACAN) (1999) in association with Mount Melania.

Mount Melania
Mount Melania (-78.11667°N, 166.13333°W) is a prominent rounded hill, 330 m, at the north end of Black Island, in the Ross Archipelago. It was first climbed by Ferrar and Bernacchi of the Discovery expedition, 1901-04. The name is a Greek word connoting black, an appropriate name for a feature on Black Island. Named by the New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1958-59.

Melba Peninsula
Melba Peninsula (-66.51667°N, 98.3°W) is a broad, ice-covered peninsula between Reid Glacier and the Bay of Winds, fronting on Shackleton Ice Shelf. Discovered by the Australasian Antarctic Expedition under Mawson, 1911-14, who named it for Dame Nellie Melba, of Melbourne, a patron of the expedition.

Melbert Rocks
Melbert Rocks (-78.03333°N, -155.11667°W) is a rock outcrops close northwest of Mount Paterson in the Rockefeller Mountains, on Edward VII Peninsula. Discovered by the Byrd Antarctic Expedition, 1928-30. Named by Advisory Committee on Antarctic Names (US-ACAN) for George W. Melbert, UTCN, U.S. Navy, Utilitiesman at Byrd Station, 1966.

Melbourne Bluff
Melbourne Bluff (-53.03333°N, 73.53333°W) is a rocky bluff, 385 m, standing 1.3 nautical miles (2.4 km) south of Cape Bidlingmaier and protruding above the ice-covered slopes at the north side of Heard Island. The feature was surveyed in 1948 by the ANARE (Australian National Antarctic Research Expeditions) and so named by them because it trends roughly east-northeast in the general direction of Melbourne, Australia, the home headquarters of the expedition.

Mount Melbourne
Mount Melbourne (-74.35°N, 164.7°W) is a massive volcanic cone of great beauty, 2,730 m, surmounting the projection of the coast between Wood Bay and Terra Nova Bay, in Victoria Land. Discovered in 1841 by Captain James Clark Ross, Royal Navy, who named it for Lord Melbourne, British Prime Minister when the expedition was being planned.

Melchior Harbor
Melchior Harbor (-64.31667°N, -62.98333°W) is a small harbor in the Melchior Islands, Palmer Archipelago, formed by the semi-circular arrangement of Delta, Alpha, Beta, Kappa and Gamma Islands. The name, derived from the name of the island group, was probably given by DI personnel who roughly surveyed the harbor in 1927. The harbor was surveyed by Argentine expeditions in 1942, 1943 and 1948.

Melchior Islands
Melchior Islands (-64.31667°N, -62.95°W) is a group of many low, ice-covered islands lying near the center of Dallmann Bay in the Palmer Archipelago. First seen but left unnamed by a German expedition under Dallmann, 1873-74. Resighted and roughly charted by the French Antarctic Expedition under Charcot, 1903-05. Charcot named what he believed to be the large easternmost island in the group "Ile Melchior" after Vice Admiral Melchior of the French Navy, but later surveys proved Charcot's "Ile Melchior" to be two islands, now called Eta Island and Omega Island. The name Melchior Islands has since become established for the whole island group now described, of which Eta Island and Omega Island form the eastern part. The group was roughly surveyed in 1927 by DI personnel in the Discovery, and was resurveyed by Argentine expeditions in 1942 and 1943, and again in 1948. == See also == * List of antarctic and sub-antarctic islands

Melcon Peak
Melcon Peak (-77.45°N, 160.41667°W) is an ice-covered peak rising to 2500 m 1.1 nautical miles (2.0 km) south of Shapeless Mountain in Victoria Land. There is exposed rock on the south side of this wedge-shaped elevation. Named by Advisory Committee on Antarctic Names (US-ACAN) (2004) after Mark (�Commander�) Melcon, a McMurdo Station carpenter who worked 23 field seasons in Antarctica.

Melfjellet
Melfjellet (-68.35°N, 59.2°W) is a prominent rock outcrop in the eastern part of the Hansen Mountains, about 2 nautical miles (3.7 km) southeast of See Nunatak. Mapped and named by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936-37.

Melleby Peak
Melleby Peak (-73.26667°N, -1.25°W) is a peak marking the eastern end of the Neumayer Cliffs 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 Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949-52) and air photos by the Norwegian expedition (1958-59). Named for Peter Melleby, who was in charge of sledge dogs with the NBSAE.

Mello Nunatak
Mello Nunatak (-72.35°N, 165.05°W) is an isolated nunatak standing 7 nautical miles (13 km) east of Mount Staley of the Freyberg Mountains, in the northeast part of Evans Neve. 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 Gerald L. Mello, chief engineman, U.S. Navy, petty officer in charge of Hallett Station, summer 1966-67, and member of the McMurdo Station winter party of 1967.

Mellona Rocks
Mellona Rocks (-62.3°N, -59.5°W) is a group of rocks lying 2 nautical miles (3.7 km) northeast of Newell Point, Robert Island, in the South Shetland Islands. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1961 after the British sealing vessel Mellona (Captain Johnson) from Newcastle, which visited the South Shetland Islands in 1821-22.

Mellor Glacier
Mellor Glacier (-73.5°N, 66.5°W) is a tributary glacier, flowing north-northeast between Mounts Newton and Maguire and coalescing with Collins Glacier just prior to junction with Lambert Glacier at Patrick Point, in the Prince Charles Mountains. Mapped from air photos taken by ANARE (Australian National Antarctic Research Expeditions) in 1956. Named by Antarctic Names Committee of Australia (ANCA) after Malcolm Mellor (1933-91), English-born glaciologist at Mawson Station, 1957; engineer with the U.S. Army's CRREL, 1961-91.

Melrose Peak
Melrose Peak (-82.31667°N, 160.23333°W) is a peak 4 nautical miles (7 km) south of Peters Peak in the Holyoake Range. Mapped by the United States Geological Survey (USGS) from tellurometer surveys and Navy air photos, 1960-62. Named by Advisory Committee on Antarctic Names (US-ACAN) for Robert L. Melrose, United States Antarctic Research Program (USARP) meteorologist at Hallett Station, 1963-64.

Melsom Rocks
Melsom Rocks (-60.51667°N, -46.16667°W) is a group of isolated rocks lying 2 nautical miles (3.7 km) north of Despair Rocks and 7 nautical miles (13 km) west of Penguin Point, the northwest end of Coronation Island, in the South Orkney Islands. First seen and rudely charted by Captain George Powell and Captain Nathaniel Palmer during their joint cruise in December 1821. Named for Captain H.G. Melsom, manager of the Thule Whaling Co., by Captain Petter Sorlle, who conducted a running survey of the South Orkney Islands in 1912-13.

Mount Melton
Mount Melton (-77.51667°N, 168.86667°W) is a squarish mountain 1.3 nautical miles (2.4 km) west of Tent Peak in Kyle Hills, Ross Island. The feature rises to c.2000 m on the north side of Lofty Promenade. Named by Advisory Committee on Antarctic Names (US-ACAN) (2000) after Terry Melton, power plant mechanic/facilities engineer, Palmer Station, June 1981-Jan. 1983; worked nine WINFLY/summer seasons at McMurdo Sound as Williams Field facilities engineer/site supervisor, McMurdo operations superintendent, and McMurdo area manager, 1984-93; National Science Foundation (NSF) McMurdo Station manager, October 1998-Oct. 1999.

Melville Glacier
Melville Glacier (-65.46667°N, -62.16667°W) is a glacier, 12 nautical miles (22 km) long, between Mapple Glacier and Pequod Glacier on the east coast of Graham Land. It flows into Exasperation Inlet southward of Mount Ahab. Surveyed by Falkland Islands Dependencies Survey (FIDS) in 1947 and 1955. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) after Herman Melville (1819-91), author of Moby Dick. Other features in the area are named after characters in the story.

Melville Highlands
Melville Highlands (-60.73333°N, -44.6°W) is an ice-covered upland rising to about 500 m and forming the central part of Laurie Island between Pirie Peninsula and the south coast, in the South Orkney Islands. A new name applied by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1987. Historically, it derives from James Weddell's map of 1825 whereon the name "Melville Island" appears for the already named Laurie Island. Robert S. Dundas, 2nd Viscount Melville (1771-1851), was First Lord of the Admiralty, 1812-27 and 1828-30, including the period of Antarctic exploration by Weddell.

Melville Peak
Melville Peak (-62.01667°N, -57.68333°W) is a prominent peak surmounting Cape Melville, the east cape of King George Island, in the South Shetland Islands. This peak, which was probably known to early sealers in the area, was charted by the French Antarctic Expedition under Charcot, 1908-10. It takes its name from nearby Cape Melville.

Melville Point
Melville Point (-74.58333°N, -135.51667°W) is a point marking the east side of the entrance to Siniff Bay on the coast 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 Captain Frederick C. Melville, Master of the City of New York in voyages to the Bay of Whales during the Byrd Antarctic Expedition, 1928-30.

Cape Melville
Cape Melville (-62.03333°N, -57.61667°W) is a cape forming the east extremity of King George Island, in the South Shetland Islands. This name was applied to the northeast cape of King George Island on some early charts, but in recent years has been consistently used for the east cape. The name dates back to 1820 when it was used by Edward Bransfield, Master, Royal Navy, during his explorations of the South Shetland Islands.

Melvold Nunataks
Melvold Nunataks (-72.85°N, 74.15°W) is a group of small nunataks located 14 nautical miles (26 km) west of Mount Harding in the Grove Mountains. Mapped by ANARE (Australian National Antarctic Research Expeditions) from air photos, 1956-60. Named by Antarctic Names Committee of Australia (ANCA) for C.D. Melvold, radio officer at Mawson Station, 1962.

Mount Mende
Mount Mende (-74.83333°N, -71.6°W) is a nunatak 0.5 nautical miles (0.9 km) southwest of Mount Lanzerotti, rising to about 1,500 m in the Sky-Hi Nunataks of Ellsworth Land. Named by Advisory Committee on Antarctic Names (US-ACAN) in 1987 after Stephen B. Mende of the Lockheed Research Laboratory, Palo Alto, CA, a Principal Investigator in upper atmosphere research, including auroral studies, carried out at Siple Station and South Pole Station from 1973.

Mendeleyev Glacier
Mendeleyev Glacier (-71.91667°N, 14.55°W) is a glacier, 10 nautical miles (18 km) long, draining northeast through the north outcrops of the Payer Mountains, in Queen Maud Land. Mapped from air photos and surveys by Soviet Antarctic Expedition, 1960-61, and named after Dmitri I. Mendeleyev (1834-1907), Russian chemist.

Mendelssohn Inlet
Mendelssohn Inlet (-71.28333°N, -72.86667°W) is an ice-filled inlet, 25 nautical miles (46 km) long and 9 nautical miles (17 km) wide, between Derocher peninsula and Eroica Peninsula on the north side of Beethoven Peninsula, Alexander Island. First seen from the air and roughly mapped by the United States Antarctic Service (USAS), 1939-41. Resighted and photographed from the air by the Ronne Antarctic Research Expedition (RARE), 1947-48. Remapped from the RARE photos by Searle of the Falkland Islands Dependencies Survey (FIDS) in 1960. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) after Felix Mendelssohn (1809-47), German composer.

Mendenhall Peak
Mendenhall Peak (-85.4°N, -87.31667°W) is a peak (2,130 m) 0.5 nautical miles (0.9 km) west of Mount Wrather in the east part of the Thiel Mountains. The name was proposed by Peter Bermel and Arthur Ford, co-leaders of the United States Geological Survey (USGS) Thiel Mountains party which surveyed these mountains in 1960-61. Named for Walter C. Mendenhall, fifth director of the U.S. Geological Survey, 1931-43.

Mendori Island
Mendori Island (-69°N, 39.53333°W) is the northernmost in a group of three small islands which lie 0.5 nautical miles (0.9 km) northwest of the strait separating Ongul Island and East Ongul Island. Mapped from surveys and air photos by Japanese Antarctic Research Expedition (JARE), 1957-62. The name "Mendori-jima" (hen island) was given by JARE Headquarters in 1972 in association with Ondori Island, which lies 0.2 nautical miles (0.4 km) northward. == See also == * List of antarctic and sub-antarctic islands

Menelaus Ridge
Menelaus Ridge (-64.58333°N, -63.66667°W) is a snow-covered ridge having four small summits, 1,370 m, between Mount Agamemnon and Mount Helen in the Achaean Range of central Anvers Island, in the Palmer Archipelago. Surveyed in 1955 by the Falkland Islands Dependencies Survey (FIDS) and named by the United Kingdom Antarctic Place-Names Committee (UK-APC) for Menelaus, husband of Helen and younger brother of Agamemnon in Homer's Iliad.

The Menhir
The Menhir (-60.65°N, -45.2°W) is an isolated pinnacle rock, 395 m, overlooking the west side of Gibbon Bay in eastern Coronation Island, South Orkney Islands. Surveyed by the Falkland Islands Dependencies Survey (FIDS) in 1956-58 and named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959. A menhir is an upright monumental stone.

Menier Island
Menier Island (-64.98333°N, -63.61667°W) is an island, largest in a small island group lying in the mouth of Flandres Bay, 4 nautical miles (7 km) northeast of Cape Renard, off the west coast of Graham Land. The island group was discovered by the French Antarctic Expedition under Charcot, 1903-05, who gave them the name "Iles Menier." The name Menier is here applied to the largest of these islands. == See also == * List of antarctic and sub-antarctic islands

Menipa Peak
Menipa Peak (-71.93333°N, 25.16667°W) is a peak, 2,590 m, standing 5 nautical miles (9 km) north of Mefjell Mountain in the central part of the Sor Rondane Mountains. Mapped by Norwegian cartographers in 1946 from air photos taken by the Lars Christensen Expedition, 1936-37, and in 1957 from air photos taken by U.S. Navy Operation Highjump, 1946-47. Named Menipa (the middle peak) by the Norwegians.

Menster Ledge
Menster Ledge (-80.3°N, 156.38333°W) is a relatively level benchlike feature which rises to 1800 m 6 nautical miles (11 km) southwest of Mount Olympus in Hughes Basin, Britannia Range. The feature is 2.5 nautical miles (4.6 km) wide and is smoothly ice covered in the central and north portions; an abrupt ice and rock cliff forms the south end of the ledge. Named after Chaplain William J. Menster (Commander, USN) of the flagship Mount Olympus in Operation Deep Freeze, 1946-47. The location of the ledge is in proximity to Byrd Glacier, Mount Olympus, and other features that memorialize leaders and ships of Operation High Jump.

Mount Mentzel
Mount Mentzel (-71.36667°N, 13.66667°W) is a peak (2,330 m) standing 6 nautical miles (11 km) east of Mount Zimmermann in the Gruber Mountains of Queen Maud Land. Discovered by the German Antarctic Expedition under Ritscher, 1938-39, and named for the president of the Deutsche Forschungsgemeinschaft (German Research Society).

Cape Menzel
Cape Menzel (-72.05°N, -95.76667°W) is a bold rock cape marking the north extremity of otherwise ice-covered Lofgren Peninsula, in the northeast part of Thurston Island. Discovered on helicopter flights from the USS Burton Island and Glacier by personnel of U.S. Navy Bellingshausen Sea Expedition in February 1960. Named by Advisory Committee on Antarctic Names (US-ACAN) for Reinhard W. Menzel, geomagnetist-seismologist with the Eights Station winter party, 1965.

Mount Menzies
Mount Menzies (-73.5°N, 61.83333°W) is the culminating peak (3,355 m) on the large massif between Mounts Mather and Bayliss, standing on the south side of Fisher Glacier in the Prince Charles Mountains. Sighted by Flying Officer J. Seaton from ANARE (Australian National Antarctic Research Expeditions) aircraft in 1956. Mapped by an ANARE party under K.B. Mather in 1957-58. Named by Antarctic Names Committee of Australia (ANCA) for Robert Gordon Menzies, Prime Minister of Australia.

Meoto Rocks
Meoto Rocks (-68.11667°N, 42.6°W) is a two large rocks lying just west of Cape Hinode, off the coast of Queen Maud Land. Mapped from surveys and air photos by Japanese Antarctic Research Expedition (JARE), 1957-62, and named Meotoiwa (husband and wife rocks).

Mercanton Heights
Mercanton Heights (-67.5°N, -67.43333°W) is a heights standing between Bigourdan Fjord and Nye Glacier in the southwest part of Arrowsmith Peninsula in Graham Land. Mapped by Falkland Islands Dependencies Survey (FIDS) from surveys and air photos, 1948-59. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for Paul-Louis Mercanton, Swiss glaciologist who for many years was Secretary of the International Commission on Snow and Ice.

Mercator Ice Piedmont
Mercator Ice Piedmont (-68.61667°N, -65.5°W) is a gently-sloping ice piedmont at the head of Mobiloil Inlet, formed by the confluence of the Gibbs, Lammers, Cole and Weyerhaeuser Glaciers in eastern Graham Land. The feature was first photographed from the air by Lincoln Ellsworth in November 1935, and was plotted from these photos by W.L.G. Joerg as the lower end of a "major valley depression" along the coast. First seen from the ground by F. Ronne and C.R. Eklund of United States Antarctic Service (USAS), 1939-41, which also obtained air photos. Surveyed by the Falkland Islands Dependencies Survey (FIDS) in December 1958. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) after Gerardus Mercator (1512-94), Flemish mathematician and geographer, originator of the map projection which bears his name, 1568.

Mercer Bay
Mercer Bay (-54.26667°N, -36.66667°W) is a small bay marked by Geikie Glacier at its head, at the southwest end of Cumberland West Bay, South Georgia. The bay appears on a sketch map of Cumberland Bay by Lieutenant S.A. Duse of the Swedish Antarctic Expedition, 1901-04. The name is first used on a chart based upon survey work by DI personnel in 1926-30. Probably named for Lieutenant Commander G.M. Mercer, Royal Navy Reserve, captain of the DI research ship William Scoresby, which engaged in whale marking and oceanographic work off South Georgia in 1926-27.

Mercer Ice Stream
Mercer Ice Stream (-84.83333°N, -145°W) is an ice stream flowing west to Gould Coast to the south of Whillans Ice Stream. It is the southern most of several major ice streams draining from Marie Byrd Land into the Ross Ice Shelf. The ice streams were investigated and mapped by United States Antarctic Research Program (USARP) personnel in a number of field seasons from 1983-84 and named Ice Stream A, B, C, etc., according to their position from south to north. The name was changed by Advisory Committee on Antarctic Names (US-ACAN) in 2002 to honor John H. Mercer (1922-87), Quaternary geologist, Institute of Polar Studies (now Byrd Polar Research Center), Ohio State University, who mapped the moraines above Reedy Glacier and in Ohio Range at the head of Horlick Ice Stream, the major tributaries to Mercer Ice Stream.

Mercer Ridge
Mercer Ridge (-84.83333°N, -113.75°W) is a prominent, partly ice-free ridge that forms the southwest end of Mount Schopf in Ohio Range, Horlick Mountains. Named by Advisory Committee on Antarctic Names (US-ACAN) after John H. Mercer (1922-87), glacial geologist, a member of the Ohio State University expedition to the Horlick Mountains in 1960-61. He returned to work in the Horlick Mountains, 1964-65, and later worked in the Antarctic, Alaska, Greenland, Argetina, Chile, and Peru; with the Institute of Polar Studies (now Byrd Research Center), Ohio State University, 1966-87.

Mount Mercer (Antarctica)
Mount Mercer (-70.21667°N, 65.65°W) is a mountain 2 nautical miles (3.7 km) west of Farley Massif in the Athos Range, Prince Charles Mountains. Plotted from ANARE (Australian National Antarctic Research Expeditions) air photos of 1965. Named by Antarctic Names Committee of Australia (ANCA) for B. Mercer, weather observer at Davis Station in 1961.

Mercik Peak
Mercik Peak (-85.08333°N, -169.1°W) is a conspicuous peak, 1,425 m, located 7 nautical miles (13 km) northeast of Mount Wells, on the ridge descending from the latter, in the Prince Olav Mountains. Named by Advisory Committee on Antarctic Names (US-ACAN) for James E. Mercik, United States Antarctic Research Program (USARP) aurora scientist at South Pole Station, winter 1965.

Mercury Bluff
Mercury Bluff (-62.48333°N, -60.81667°W) is a perpendicular bluff lying southwest of Cape Shirreff and Scarborough Castle on the north coast of Livingston Island, in the South Shetland Islands. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1958 after the sealer Mercury (Captain Wetherell) from London, which visited the South Shetland Islands in 1820-21, and anchored in nearby Shirreff Cove.

Mercury Glacier
Mercury Glacier (-71.56667°N, -68.23333°W) is a glacier on the east coast of Alexander Island, 5 nautical miles (9 km) long and 2 nautical miles (3.7 km) wide, flowing east into George VI Sound between Waitabit Cliffs and Keystone Cliffs. Probably first seen by Lincoln Ellsworth, who flew near it and photographed segments of this coast on November 23, 1935. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) for the planet Mercury following rough surveys from George VI Sound by the Falkland Islands Dependencies Survey (FIDS) in 1948 and 1949. Mapped in detail from air photos taken by the Ronne Antarctic Research Expedition (RARE), 1947-48, by Searle of the FIDS in 1960.