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Pilot Peak
Pilot Peak (-65.85°N, -65.26667°W) is the highest peak on Larrouy Island, 745 m, off the west coast of Graham Land. Charted by the French Antarctic Expedition under Charcot, 1908-10. So named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959 because the peak, conspicuous from a great distance, is useful as a navigation mark for the passage of Grandidier Channel.

Pilten Nunatak
Pilten Nunatak (-71.88333°N, 24.8°W) is a nunatak in the north part of Gjel Glacier 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 Pilten (the nipper).

Pimpirev Ice Wall
Pimpirev Ice Wall (-62.61667°N, -60.4°W) is the rectilinear ice slope running parallel to and some 100 m inland from the northwest coast of Emona Harbour in Livingston Island. Approx. 50 m high, extending from the north corner of Emona Harbour 3,700 m in west-southwest direction. Named for Christo Pimpirev, leader of the Bulgarian Antarctic campaigns during the 1993/94, 1994/95, 1995/96, and 1996/97 seasons, who also conducted geological field work on Alexander Island during the summer of 1987/88.

The Pimple
The Pimple (-77.98333°N, 162.66667°W) is a small cone-shaped peak, 3,215 m, midway between Mount Lister and Camels Hump in the Royal Society Range, in Victoria Land. Discovered and named by the Discovery expedition under Scott, 1901-04.

Pinafore Moraine
Pinafore Moraine (-76.88333°N, 159.43333°W) is a sheet of moraine which extends northeastward from Carapace Nunatak, in Victoria Land. Reconnoitered by the New Zealand Antarctic Research Program (NZARP) Allan Hills Expedition (1964). The name is descriptive.

Mount Pinafore
Mount Pinafore (-69.76667°N, -70.86667°W) is a prominent peak rising to about 1,100 m between Bartok Glacier and Sullivan Glacier in north Alexander Island. Named by UK- APC, 1977, in association with nearby Gilbert Glacier and Sullivan Glacier after the operetta HMS Pinafore.

Pincer Point
Pincer Point (-85.56667°N, -150.5°W) is a narrow rock point lying 4 nautical miles (7 km) east-southeast of Durham Point, near the northwest end of the Tapley Mountains. First seen and roughly mapped by the Byrd Antarctic Expedition, 1928-30. So named by Advisory Committee on Antarctic Names (US-ACAN) because its appearance is similar to a part of a pincers.

Pinckard Table
Pinckard Table (-74°N, 164.05°W) is an ice-covered tableland, 8 nautical miles (15 km) long and 3 nautical miles (6 km) wide, rising between the Styx and Burns Glaciers 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 William Pinckard, biologist at McMurdo Station, 1965-66 season.

Pinder Gully
Pinder Gully (-60.71667°N, -45.58333°W) is a small gully in eastern Signy Island which runs north from Observation Bluff down to the sea. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) after Ronald Pinder, radio operator and meteorologist at Signy Island, 1959-61.

Pine Island Bay
Pine Island Bay (-74.83333°N, -102.66667°W) is a bay about 40 nautical miles (70 km) long and 30 nautical miles (60 km) wide, into which flows the ice of Pine Island Glacier, at the southeast extremity of Amundsen Sea. Delineated from aerial photographs taken by U.S. Navy Operation Highjump in December 1946. Named by Advisory Committee on Antarctic Names (US-ACAN) for the USS Pine Island, seaplane tender and flagship of the eastern task group of U.S. Navy Operation Highjump which explored this area. == See also == * List of antarctic and sub-antarctic islands

Pine Island Glacier
Pine Island Glacier (-75.16667°N, -100°W) is a broad glacier flowing west-northwest along the south side of the Hudson Mountains into Pine Island Bay, Amundsen Sea. 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) in association with Pine Island Bay. == See also == * List of antarctic and sub-antarctic islands

Pinegin Peak
Pinegin Peak (-71.73333°N, 12.55°W) is a central peak, 2,595 m, on Isdalsegga Ridge in Sudliche Petermann Range, Wohlthat Mountains. Discovered and plotted from air photos by German Antarctic Expedition, 1938-39. Mapped from air photos and surveys by Norwegian Antarctic Expedition, 1956-60; remapped by Soviet Antarctic Expedition, 1960-61, and named after Soviet polar explorer N.V. Pinegin (1883-1940).

Pinel Point
Pinel Point (-64.35°N, -62.2°W) is a point lying 5 nautical miles (9 km) northeast of D'Ursel Point on the east side of Brabant Island, in the Palmer Archipelago. First roughly charted by the Belgian Antarctic Expedition, 1897-99, under Gerlache. Photographed by Hunting Aerosurveys Ltd. in 1956-57, and mapped from these photos in 1959. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) for Philippe Pinel (1745-1826), French physician who held advanced views on investigation of disease and first succeeded in abolishing severe physical restraints on mental cases, in 1796.

Piner Bay
Piner Bay (-66.71667°N, 140.28333°W) is an open bay 8 nautical miles (15 km) long and 2 nautical miles (3.7 km) wide between Cape Bienvenue and the east side of Astrolabe Glacier Tongue. Discovered on January 30, 1840, by the United States Exploring Expedition under Wilkes, who named it for Thomas Piner, signal quartermaster on the USEE flagship Vincennes. This feature correlates closely with portions of the sketch of "Piners Bay" as shown on Wilkes' chart of 1840.

Pinero Island
Pinero Island (-67.56667°N, -67.81667°W) is an island 2 nautical miles (3.7 km) long and 0.5 nautical miles (0.9 km) wide, lying about 4.5 nautical miles (8 km) northwest of Pourquoi Pas Island, off the west coast of Graham Land. Discovered by the French Antarctic Expedition under Charcot, 1908-10, and named by him for Dr. Antonio F. Pinero, member of the Chamber of Deputies of the Argentine Republic, on whose motion the government voted unlimited credit to meet the needs of the expedition. == See also == * List of antarctic and sub-antarctic islands

Pinero Peak
Pinero Peak (-67.56667°N, -67.81667°W) is the highest point (380 m) of Pinero Island in Laubeuf Fjord, west Graham Land. Named after the island by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1980.

Pinet Butte
Pinet Butte (-73.16667°N, 161.68333°W) is a small butte comprising the westernmost portion of the Caudal Hills, in Victoria Land. 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 Paul R. Pinet, geologist at McMurdo Station, 1966-67.

Pingvinane Nunataks
Pingvinane Nunataks (-72°N, 23.28333°W) is a group of nunataks standing close north of Tanngarden Peaks 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 Pingvinane (the penguins).

Pinn Island
Pinn Island (-67.56667°N, 47.91667°W) is an island lying close off the northeast end of McKinnon Island, off the coast of Enderby Land. Plotted from ANARE (Australian National Antarctic Research Expeditions) air photos in 1956 and visited by an ANARE party in October 1957. Named by Antarctic Names Committee of Australia (ANCA) for John Pinn, geophysicist at Mawson Station in 1957. == See also == * List of antarctic and sub-antarctic islands

Pinnacle Gap
Pinnacle Gap (-73.25°N, 163°W) is a gap between Pain and Tobin Mesas in the Mesa Range of Victoria Land. The feature was traversed and so named by the northern party of New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1962-63, because it is readily identified by the high rock pinnacle (Mount Ballou) on the north ridge overlooking the gap.

Pinnacle Rock
Pinnacle Rock (-61.1°N, -54.78333°W) is a rock, 120 m high, lying 2.5 nautical miles (4.6 km) east of Point Wild and close off the north coast of Elephant Island, in the South Shetland Islands. The name was probably suggested by members of the British expedition under Shackleton, 1914-16, who sighted and described this feature as a pillar of rock during their refuge at Elephant Island following the loss of the Endurance.

Pinther Ridge
Pinther Ridge (-70.36667°N, -64.33333°W) is an arc-shaped mountain ridge, 6 nautical miles (11 km) long, that is somewhat isolated and mostly snow covered. It rises above the ice surface at the east margin of the Dyer Plateau of Palmer Land, about 22 nautical miles (41 km) south of the Eternity Range. Mapped by United States Geological Survey (USGS) in 1974. Named by Advisory Committee on Antarctic Names (US-ACAN) for Miklos Pinther, Chief Cartographer of the American Geographical Society in the 1970s, under whose supervision a number of excellent maps of Antarctica have been prepared.

Pio Point
Pio Point (-54.01667°N, -38.08333°W) is a point forming the north side of the entrance to Johnson Cove at the west end of Bird Island, South Georgia. Roughly charted by DI personnel on the Discovery in the period 1926-30 and surveyed by HMS Owen in 1960-61. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1963. "Pio" is an old sailors' name for the light-mantled sooty albatross (Phoebetria palpebrata), a bird which breeds on Bird Island.

Pioneer Crossing
Pioneer Crossing (-68.48333°N, 78.36667°W) is a low pass across Langnes Peninsula, Vestfold Hills, leading from the southeast arm of Tryne Fjord to Langnes Fjord. Mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition (1936-37). The feature was visited by an ANARE (Australian National Antarctic Research Expeditions) sledging party led by B.H. Stinear (1957), and was named to record this first known traverse of the pass.

Pioneer Heights
Pioneer Heights (-79.5°N, -83.5°W) is a group name in the Heritage Range, Ellsworth Mountains, encompassing the large area of hills, ridges and peaks located eastward of Schneider and Schanz Glaciers and between Splettstoesser and Union Glaciers. Among these features are the Inferno Ridge, the Nimbus, Gross, Buchanan and Collier Hills. The Pioneer Heights were mapped by United States Geological Survey (USGS) from ground surveys and U.S. Navy air photos, 1961-66. The name was applied by Advisory Committee on Antarctic Names (US-ACAN) in association with the name Heritage Range.

Pioneers Escarpment
Pioneers Escarpment (-80.46667°N, -21.11667°W) is a mostly snow-covered north-facing escarpment, interrupted by occasional bluffs and spurs, between Slessor Glacier on the north and Shotton Snowfield on the south, in the Shackleton Range. The escarpment was photographed from the air by the U.S. Navy, 1967, and was surveyed by British Antarctic Survey (BAS), 1968-71. So named by United Kingdom Antarctic Place-Names Committee (UK-APC) because features on the escarpment are named after the pioneers whose inventions have assisted living and traveling conditions in the polar regions.

Pionerskiy Dome
Pionerskiy Dome (-73.98333°N, 73.13333°W) is an ice-covered summit about 60 nautical miles (110 km) south-southwest of the Grove Mountains. Discovered by the Soviet Antarctic Expedition in 1958 and named "Kupol Pionerskiy" (Pionerskiy Dome).

Piore Ridge
Piore Ridge (-72.66667°N, 168.91667°W) is a prominent ridge, 11 nautical miles (20 km) long, located between Elder Glacier and Bowers Glacier in the Victory Mountains of Victoria Land. Mapped by the New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1957-58, and the United States Geological Survey (USGS), 1960-62. Named by Advisory Committee on Antarctic Names (US-ACAN) for Emanuel Ruben Piore, American physicist, member of the National Science Board, National Science Foundation, 1961-72.

Pip Cliffs
Pip Cliffs (-65.71667°N, -63.01667°W) is a prominent rock cliffs west of Mount Fedallah, rising to about 1,250 m on the north side of Flask Glacier on Oscar II Coast, Graham Land. In association with names from Melville's Moby Dick grouped in this area, named by United Kingdom Antarctic Place-Names Committee (UK-APC) in 1987 after Pip, the cabin boy of the Pequod.

Pipe Peak
Pipe Peak (-79.15°N, -86.25°W) is a sharp peak on a ridge, 1,720 m, rising 1.5 nautical miles (2.8 km) north of Matney Peak in the Founders Peaks, Heritage Range. So named by members of the University of Minnesota Geological Party, 1963-64, because a pipe was left here after a visit to the area.

Pipecleaner Glacier
Pipecleaner Glacier (-78.23333°N, 162.85°W) is a glacier formed by the coalescence of numerous small alpine glaciers on the east side of Mount Huggins. Together with Glimpse Glacier it joins the Radian Glacier where that stream meets the north arm of Dismal Ridge. Its surface is marked by innumerable bands of moraine reminiscent of pipecleaners. Named by New Zealand Victoria University of Wellington Antarctic Expedition (VUWAE), 1960-61.

Pipkin Rock
Pipkin Rock (-68.08333°N, -68.83333°W) is a small ice-free island, lying northeast of Dismal Island in the Faure Islands, Marguerite Bay. The Faure Islands were discovered and first charted in 1909 by the French Antarctic Expedition under Charcot. The group was surveyed in 1949 by Falkland Islands Dependencies Survey (FIDS) and so named from the insignificant size of the feature.

Pippin Peaks
Pippin Peaks (-65.65°N, -62.46667°W) is an east-west line of several peaks ranging in height from 880 m to 1,160 m and formed of white or pink granite. The feature is located at the west end of Stubb Glacier where it forms a part of the glacier's north wall. The name is one of several in this area applied by United Kingdom Antarctic Place-Names Committee (UK-APC) from Herman Melville's Moby Dick, Pippin being the shipkeeper in the Pequod who was cast adrift by Stubb.

Pirie Peninsula
Pirie Peninsula (-60.7°N, -44.65°W) is a narrow peninsula extending 3 nautical miles (6 km) northward from the center of Laurie Island, in the South Orkney Islands. The peninsula was surveyed in 1903 by the Scottish National Antarctic Expedition under Bruce, who named it for Dr. J.H. Pirie, surgeon and geologist of the expedition.

Pirner Peak
Pirner Peak (-54.51667°N, -36.06667°W) is a peak 0.7 nautical miles (1.3 km) northwest of Pirner Point, Royal Bay, South Georgia. Surveyed by the German group of the International Polar Year Investigations, 1882-83, and named by them for Captain Pirner of the expedition ship Moltke.

Pirner Point
Pirner Point (-54.51667°N, -36.06667°W) is a point marking the north side of the entrance to Little Moltke Harbor in Royal Bay, South Georgia. First surveyed by the German group of the International Polar Year Investigations, 1882-83, under Schrader, and named by them for Captain Pirner, commander of the expedition ship Moltke.

Pirrit Hills
Pirrit Hills (-81.28333°N, -85.35°W) is an isolated group of peaks and nunataks about 7 nautical miles (13 km) in extent, lying southward of the Ellsworth Mountains, between the Heritage Range and Nash Hills. The feature was positioned by the U.S. Ellsworth-Byrd Traverse Party in December 1958. Named by Advisory Committee on Antarctic Names (US-ACAN) for John Pirrit, glaciologist with the traverse party who had wintered at Ellsworth Station. Pirrit was scientific leader at Byrd Station in 1959.

Mount Pisgah
Mount Pisgah (-62.95°N, -62.48333°W) is a peak, 1,860 m, standing nearly 3 nautical miles (6 km) southwest of Mount Christi and 4 nautical miles (7 km) northeast of Mount Foster in the north-central part of Smith Island, South Shetland Islands. Because the peaks of Smith Island gave it a forked appearance when seen from a distance, American sealers in the 1820s called it Mount Pisgah Island after the double-topped Mount Pisgah in the town of Durham, CT. The name has since been restricted to the peak described.

Pitkevitch Glacier
Pitkevitch Glacier (-71.38333°N, 168.86667°W) is a glacier, 20 nautical miles (37 km) long, flowing north from the Admiralty Mountains along the west side of DuBridge Range. The glacier reaches the sea just east of Atkinson Cliffs, where it forms Anderson Icefalls. A portion of the terminus merges northwestward with Fendley 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 Staff Sergeant, Leonard M. Pitkevitch, United States Air Force (USAF), who perished in the crash of a C-124 Globemaster aircraft in this vicinity in 1958.

Pitman Fracture Zone
Pitman Fracture Zone (-64.5°N, -170°W) is an undersea fracture zone named for Dr. Walter C. Pitman II, a geophysicist and pioneer in studies of continental drift and seafloor spreading. Name proposed by Drs. Cande, Haxby and Raymond, Lamont-Doherty Geological Observatory [now Lamont-Doherty Earth Observatory]. Name approved 3/93 (ACUF 256).

Mount Pitman
Mount Pitman (-70.15°N, -67.7°W) is a mountain with two mainly ice-covered, dome-shaped summits, the higher and northern rising to 1,830 m, standing 9 nautical miles (17 km) inland from George VI Sound, between Riley and Chapman Glaciers on the west coast of Palmer Land. 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 E.L. Pitman, an airplane carpenter of Byfleet, Surrey, who made the sledges used by the BGLE, 1934-37, introducing important new elements into the design of the Nansen-type sledge.

Piton Island
Piton Island (-66.78333°N, 141.6°W) is a small rocky island lying 0.1 nautical miles (0.2 km) southwest of Guano Island in the Curzon Islands. Charted in 1951 by the French Antarctic Expedition and so named by them for its very pointed shape. == See also == * List of antarctic and sub-antarctic islands

Pitt Islands
Pitt Islands (-65.43333°N, -65.5°W) is a group of small islands lying immediately off the north extremity of Renaud Island, at the north end of the Biscoe Islands. The name "Pitt's Island," for William Pitt, British statesman, was applied by John Biscoe in 1832 to an island which he erroneously charted as lying about 25 nautical miles (46 km) west-northwest of these islands. The present application of Pitt Islands is based on the interpretation of the British Graham Land Expedition (BGLE) under Rymill, who charted the island group in 1935-36. == See also == * List of antarctic and sub-antarctic islands

Pitt Point
Pitt Point (-63.85°N, -58.36667°W) is a promontory, 90 m high, at the south side of the mouth of Victory Glacier on the south coast of Trinity Peninsula. Charted by the Falkland Islands Dependencies Survey (FIDS) in 1945, and named for K.A.J. Pitt, master of the 1944-45.

Mount Pittard
Mount Pittard (-71.51667°N, 166.9°W) is a pointed mountain (2,410 m) standing 12 nautical miles (22 km) east of the north part of Homerun Range in the Admiralty Mountains. 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 Donald A. Pittard, United States Antarctic Research Program (USARP) biologist at McMurdo Station, 1966-67 and 1967-68.

Pitzman Glacier
Pitzman Glacier (-70.68333°N, 160.16667°W) is a glacier, 6 nautical miles (11 km) long, draining the southeast slopes of Pomerantz Tableland in the Usarp Mountains. It flows between Mount Lowman and Williams Bluff to an ice piedmont just eastward. Mapped 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 Frederick J. Pitzman, United States Antarctic Research Program (USARP) biologist at McMurdo Station, 1967-68.

Pivot Peak
Pivot Peak (-78.03333°N, 161.01667°W) is a prominent conical peak, 2,470 m, distinguished by a large northeast cirque and as the highest point in Wilkniss Mountains, Victoria Land. The New Zealand Northern Survey Party of the Commonwealth Trans-Antarctic Expedition (1956-58) established a survey station on its summit on January 21, 1958. So named by them because its prominent appearance and location make it the focal point of the topography in that area.

Mount Pivot
Mount Pivot (-80.68333°N, -30.16667°W) is a conspicuous mountain, 1,095 m, with steep rock slopes on its west side, standing between Mount Haslop and Turnpike Bluff in the west part of the Shackleton Range. First mapped in 1957 by the Commonwealth Trans-Antarctic Expedition and so named because this prominent landmark was the turning point for aircraft and sledging parties of the expedition rounding the southwest end of the Shackleton Range.

Plaice Island
Plaice Island (-66.01667°N, -65.45°W) is an island lying west of Mackerel Island in the Fish Islands, off the west coast of Graham Land. Charted by the British Graham Land Expedition (BGLE) under Rymill, 1934-37. So named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959 because it is one of the Fish Islands. == See also == * List of antarctic and sub-antarctic islands

Planck Point
Planck Point (-79.3°N, -85.18333°W) is a snow-covered, spur-like point along the north side of Splettstoesser Glacier, located 10 nautical miles (18 km) southeast of Landmark Peak in the Heritage Range. Named by the University of Minnesota Geological Party to the area, 1963-64, for Russell E. Planck, helicopter crew chief with the 62nd Transportation Detachment, who assisted the party.

Plane Table
Plane Table (-77.6°N, 161.45°W) is a distinctive ice free mesa in the north part of the Asgard Range, Victoria Land. This flattish feature surmounts the area between Nibelungen Valley and the Sykes Glacier and commands an extensive view of Wright Valley. A descriptive name given by New Zealand Antarctic Place-Names Committee (NZ-APC).

Plane Table Glacier
Plane Table Glacier (-77.56667°N, 161.48333°W) is a short, tapering glacier on the north side of Plane Table that extends part way down the south wall of Wright Valley, Victoria Land. Named in 1997 by Advisory Committee on Antarctic Names (US-ACAN) in association with Plane Table.

Planet Heights
Planet Heights (-71.21667°N, -68.78333°W) is a series of summits along a ridge, extending 24 nautical miles (44 km) in a north-south direction between the south part of LeMay Range and George VI Sound in the east part of Alexander Island. First mapped from air photos taken by the Ronne Antarctic Research Expedition (RARE), 1947-48, by Searle of the Falkland Islands Dependencies Survey (FIDS) in 1960. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) from association with the nearby glaciers named for planets.

Plankington Bluff
Plankington Bluff (-84.96667°N, -64.61667°W) is a large rock bluff along the southwest edge of Mackin Table, 5 nautical miles (9 km) southeast of Shurley Ridge, in the Patuxent Range, Pensacola Mountains. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1956-66. Named by Advisory Committee on Antarctic Names (US-ACAN) for John C. Plankington, Jr., meteorologist at South Pole Station, winter 1967.

Plata Glacier
Plata Glacier (-72.06667°N, 166.18333°W) is a glacier in the Victory Mountains, Victoria Land, flowing north between Mirabito Range and Monteath Hills into Jutland Glacier. One of several features in the Victory Mountains named after naval encounters, this glacier named after the naval battle of the Rio de la Plata, December 1939. Named by the NZ- APC on the suggestion of R.H. Findlay, NZ-ARP geologist to this area, 1981-82.

Plata Passage
Plata Passage (-64.66667°N, -62.01667°W) is a passage in Wilhelmina Bay separating Brooklyn Island from the west coast of Graham Land. First charted by the Belgian Antarctic Expedition under Gerlache, 1897-99, and named after the estuary between Argentina and Uruguay in recognition of the services rendered the expedition by the people of Argentina.

Platform Spur
Platform Spur (-77.98333°N, 162.16667°W) is a wedge-shaped sandstone platform which rises to 2,350 m and tapers to the northeast, between Bindschadler Glacier and Jezek Glacier in the northwest part of Royal Society Range, Victoria Land. It was descriptively named by Alan Sherwood, NZGS party leader in the area, 1987-88.

Plato Island
Plato Island (-63.43333°N, -54.66667°W) is a small island lying 1 nautical mile (1.9 km) east of Darwin Island in the Danger Islands, q.v. The descriptive name "Islote Plato" (plate island) was given by Ministerio de Defensa, Argentina, 1977. The term island is appropriate and replaces "islote" (islet) in the name approved by Advisory Committee on Antarctic Names (US-ACAN) in 1993. == See also == * List of antarctic and sub-antarctic islands

Platt Cliffs
Platt Cliffs (-62.18333°N, -58.58333°W) is a cliffs rising to about 100 m between Goulden Cove and Monsimet Cove in Ezcurra Inlet, Admiralty Bay, King George Island. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) after Eric Platt (1926-48), Falkland Islands Dependencies Survey (FIDS) base leader and geologist, Admiralty Bay, 1948. Platt died from exhaustion and exposure near Ternyck Needle, November 8, 1948, and is buried near the British station on Keller Peninsula.

Platt Point
Platt Point (-68.6°N, -64.23333°W) is the east entrance point to Bowman Inlet on the east coast of Antarctic Peninsula. The feature marks the extremity of an ice-covered, though clearly outlined, spur that juts north from the west part of Hollick-Kenyon Peninsula. The margins of the feature were photographed from the air by Lincoln Ellsworth, 1935, but it was more clearly defined by aerial photographs taken by the United States Antarctic Service (USAS), 1940. Named by Advisory Committee on Antarctic Names (US-ACAN) in 1977 for William D. Platt, U.S. Navy, hospital corpsman, Palmer Station, winter party 1968.

Platypus Ridge
Platypus Ridge (-70.7°N, 163.71667°W) is a large ice-covered ridge bordering the west side of the mouth of Lillie Glacier. It extends northeast from Bowers Mountains to the head of Ob' Bay. Its position was fixed by S.L. Kirkby, surveyor with ANARE (Australian National Antarctic Research Expeditions) (Thala Dan) in February 1962. Named by ANARE after this monotreme mammal, native only to Australia.

Playfair Mountains
Playfair Mountains (-73.91667°N, -63.41667°W) is a group of mountains between the Swann and Squires Glaciers in southeast Palmer Land. The mountains were first seen and photographed from the air by the United States Antarctic Service (USAS), 1939-41. They were 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 John Playfair (1748-1819), Scottish mathematician and geologist.

Plaza Point
Plaza Point (-62.1°N, -58.43333°W) is a point forming the south tip of Keller Peninsula, which separates Mackellar and Martel Inlets in the north part of Admiralty Bay, on King George Island, in the South Shetland Islands. Charted and named by the French Antarctic Expedition under Charcot, 1908-10. The name suggests the central position of the feature at the head of Admiralty Bay.

Pleasant Plateau
Pleasant Plateau (-79.76667°N, 158.5°W) is a small, somewhat isolated ice-free plateau located close west of Blank Peaks and Foggydog Glacier in the Brown Hills. Explored by the Victoria University of Wellington Antarctic Expedition (VUWAE), 1962-63, who so named it because of the agreeable weather encountered there on each occasion the area was visited.

The Pleiades
The Pleiades (-72.7°N, 165.53333°W) is a several extinct volcanic peaks in a cluster, overlooking the west side of the head of Mariner Glacier. Named after the cluster of small stars in Taurus by the Northern Party of New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1962-63.

Mount Pleiones
Mount Pleiones (-72.75°N, 165.48333°W) is the southernmost and highest peak of The Pleiades, at the head of Mariner Glacier. Named by the New Zealand Antarctic Place-Names Committee (NZ-APC) after Pleiones of Greek mythology.

Pleneau Island
Pleneau Island (-65.1°N, -64.06667°W) is an island, 0.8 nautical miles (1.5 km) long, lying just northeast of Hovgaard Island in the Wilhelm Archipelago. Charted as a peninsula of Hovgaard Island by the French Antarctic Expedition, 1903-05, under Charcot, who named its northeast point for Paul Pleneau, photographer of the expedition. The feature was first shown to be an island on an Argentine government chart of 1957. == See also == * List of antarctic and sub-antarctic islands

Cape Plenty
Cape Plenty (-61.5°N, -55.46667°W) is the southeast cape of Gibbs Island (actually marks south point of the island), in the South Shetland Islands. Visited by JSEEIG in January 1977 and so named because a reef east of the cape causes upwelling of water which attracts numerous birds to feed in the area. Approved by United Kingdom Antarctic Place-Names Committee (UK-APC) in 1980.

Pliska Ridge
Pliska Ridge (-62.65°N, -60.23333°W) is a ridge rising to 681 m, east-northeast of Willan Nunatak, Livingston Island. Pliska is the name of a village in northeast Bulgaria which in the seventh century became the first Bulgarian capital. Named Mount Pliska in 1995 by BulAPC.

Plog Island
Plog Island (-68.53333°N, 78°W) is an island 1 nautical mile (1.9 km) long in Prydz Bay, lying 0.5 nautical miles (0.9 km) north of Lake Island and 0.5 nautical miles (0.9 km) west of Breidnes Peninsula, Vestfold Hills. Mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition (1936-37) and named "Plogoy" (plow island), as being descriptive of the island's shape. == See also == * List of antarctic and sub-antarctic islands

Plogskaftet Nunataks
Plogskaftet Nunataks (-71.8°N, 5.2°W) is a row of nunataks about 5 nautical miles (9 km) long lying close northwest of Cumulus Mountain in the Muhlig-Hofmann Mountains of Queen Maud Land. Mapped from surveys and air photos by the Norwegian Antarctic Expedition (1956-60) and named Plogskaftet (the plow handle).

Plumb Bob Point
Plumb Bob Point (-77.86667°N, 161.73333°W) is a tapering rock point, 4 nautical miles (7 km) northeast of Knobhead, marking the northeast extremity of Quartermain Mountains, Victoria Land, and the point of apposition of the east-flowing Taylor Glacier and Ferrar Glacier. The name is one of a group in the area associated with surveying applied in 1993 by the New Zealand Geographic Board (NZGB).

Plummer Glacier
Plummer Glacier (-79.96667°N, -81.5°W) is a short glacier descending east through the Enterprise Hills to the north of Lippert Peak and the Douglas Peaks, in the Heritage Range. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1961-66. Named by Advisory Committee on Antarctic Names (US-ACAN) for Charles C. Plummer, United States Antarctic Research Program (USARP) glaciologist at Palmer Station in 1965.

Plummet Glacier
Plummet Glacier (-77.78333°N, 161.9°W) is the westernmost glacier on the north side of Kukri Hills, flowing north to Taylor Glacier, in Victoria Land. The name is one of a group in the area associated with surveying applied in 1993 by New Zealand Geographic Board (NZGB). The name refers to a plummet, or plumb bob.

Plumstead Valley
Plumstead Valley (-76.61667°N, 159.81667°W) is a valley at the northern end of Shipton Ridge, east of Kirkcaldy Spur in the Allan Hills, Victoria Land. Reconnoitered by the New Zealand Antarctic Research Program (NZARP) Allan Hills Expedition, 1964. They named it after Dr. E.P. Plumstead for her work on Glossopteris fossils, especially those from Antarctica.

Plunket Point
Plunket Point (-85.08333°N, 167.1°W) is a conspicuous rock point marking the northern end of the Dominion Range and the confluence of the Beardmore and Mill Glaciers. Discovered by the British Antarctic Expedition (1907-09) and named for Lord Plunket, at that time Governor of New Zealand.

Pluto Glacier
Pluto Glacier (-71.11667°N, -68.36667°W) is a glacier on the east coast of Alexander Island, 10 nautical miles (18 km) long and 4 nautical miles (7 km) wide, which flows east into George VI Sound to the north of Succession Cliffs. First photographed from the air on November 23, 1935, by Lincoln Ellsworth and mapped from these photos by W.L.G. Joerg. Roughly surveyed in 1936 by the British Graham Land Expedition (BGLE). Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) for the planet Pluto following Falkland Islands Dependencies Survey (FIDS) surveys in 1948 and 1949.

Mount Plymouth
Mount Plymouth (-62.46667°N, -59.81667°W) is a mountain, 520 m, standing 1.5 nautical miles (2.8 km) northwest of Discovery Bay in the north part of Greenwich Island, in the South Shetland Islands. Charted in 1935 by DI personnel on the Discovery II, and named after the city of Plymouth in Devon, England.

Poa Cove
Poa Cove (-54.25°N, -36.5°W) is a small cove 0.8 nautical miles (1.5 km) southwest of Mai Point in the southeast corner of Maiviken, Cumberland Bay, South Georgia. Roughly surveyed by the Swedish Antarctic Expedition, 1901-04, under Nordenskjold. Resurveyed in 1929 by DI personnel, and in 1951 by the Falkland Islands Dependencies Survey (FIDS). Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) after the genus Poa, which includes the tussock grass which grows in profusion near this cove.

Pod Rocks
Pod Rocks (-68.15°N, -67.5°W) is a small compact group of rocks, lying 5 nautical miles (9 km) west of Millerand Island in Marguerite Bay, off the west coast of Graham Land. First roughly surveyed in 1936 by the British Graham Land Expedition (BGLE) under Rymill. The rocks were visited and resurveyed in 1949 by the Falkland Islands Dependencies Survey (FIDS), who established a sealing camp there. The name, proposed by FIDS, derives from the old sealers' term "pod," meaning a group of seals hauled ashore.

The Podium (Antarctica)
The Podium (-78.93333°N, 161.15°W) is a high, flat ice-covered bluff, 1 nautical mile (1.9 km) in extent, which projects at the south end of the Worcester Range and surmounts the ice-filled embayment between Cape Teall and Cape Timberlake. So named by Advisory Committee on Antarctic Names (US-ACAN) in 1964 because of its position relative to nearby features and its resemblance to a podium.

Podprudnoye Lake
Podprudnoye Lake (-70.75°N, 11.61667°W) is a small lake lying just southeast of Prilednikovoye Lake in Schirmacher Hills, Queen Maud Land. Mapped by the Soviet Antarctic Expedition in 1961 and named Ozero Podprudnoye (by-the-pond lake).

Poetry Glacier
Poetry Glacier (-61.93333°N, -57.8°W) is a glacier flowing north and northwest into the east side of Venus Bay, north King George Island. So named by the Polish Antarctic Expedition, 1984. [in association with "Milosz Point."]. Lodowiec Poezji is the translation of the English name.

Poindexter Peak
Poindexter Peak (-75.21667°N, -134.41667°W) is a snow-covered peak (1,215 m) rising 4 nautical miles (7 km) southeast of Bennett Bluff, along the west side of upper Berry Glacier 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 Monte F. Poindexter, United States Antarctic Research Program (USARP) meteorologist at Byrd Station, 1962. National Science Foundation Washington, D.C. 20550 Environmental Science Services Administration Silver Spring, Maryland April 27, 1967

Dear Mr. Poindexter, It gives me a great deal of pleasure to inform you that the U.S. Board on Geographic names has named in your honor the geographical feature Poindexter Peak located as 75 11 S Latitude 134 30 W longitude in Byrd Land, Antarctica. Sincerely yours, T.O. Jones Division Director Environmental Sciences

Cape Poinsett
Cape Poinsett (-65.76667°N, 113.21667°W) is an ice-covered cape, the northern extremity of Budd Coast, from which the coast recedes abruptly to the southeast and southwest. The position of Cape Poinsett correlates closely with the high seaward extremity of "Budd's High Land" as charted in 1840 by the United States Exploring Expedition under Lieutenant Charles Wilkes. The cape was plotted from air photos taken by U.S. Navy Operation Highjump, 1946-47. Named by Advisory Committee on Antarctic Names (US-ACAN) after Joel R. Poinsett, Secretary of War under President Martin Van Buren, who was instrumental in the compilation and publication of the large number of scientific reports based on the work of the USEE, 1838-42.

Pointer Nunatak
Pointer Nunatak (-80.61667°N, -29°W) is a conspicuous nunatak, 1,245 m, immediately east of Wedge Ridge in the west part of the Shackleton Range. First mapped in 1957 by the Commonwealth Trans-Antarctic Expedition and so named because it is an important landmark on the route from Blaiklock Glacier to Stratton Glacier which provides access from the west to the east part of the Shackleton Range.

The Pointers
The Pointers (-62.6°N, -61.31667°W) is a two rocks lying northwest of Rugged Island, in the South Shetland Islands. The name was applied by sealers in the area in the 1820s.

Poisson Hill
Poisson Hill (-62.48333°N, -59.65°W) is a rounded, ice-covered hill (80 m) located 0.3 nautical miles (0.6 km) northeast of Iquique Cove, Greenwich Island, South Shetland Islands. The recommended name derives from "Promontorio Poisson" and "Cerro Poisson," forms appearing on Chilean hydrographic charts of the 1950s. Maurice Poisson signed the official act of inauguration of nearby Arturo Prat Station on Greenwich Island in 1947.

Pojeta Peak
Pojeta Peak (-79.46667°N, -84.68333°W) is a peak rising to about 1,500 m in the central part of Webers Peaks, 2 nautical miles (3.7 km) southeast of Bingham Peak, in the Heritage Range, Ellsworth Mountains. Named by Advisory Committee on Antarctic Names (US-ACAN) after John Pojeta, Jr., United States Geological Survey (USGS) (Reston, VA) paleontologist from 1963; field party member and paleontologist with the United States Antarctic Research Program (USARP) Ellsworth Mountains Expedition, 1979-80.

Polar Bear Point
Polar Bear Point (-77.81667°N, 166.85°W) is an ice-covered point 1.2 nautical miles (2.2 km) southeast of Castle Rock on the east side of Hut Point Peninsula, Ross Island. A breached crater stands 0.7 nautical miles (1.3 km) north-northwest, but no rock is exposed on the point which is well defined and elevated at the juncture with McMurdo Ice Shelf. The name is allusive; when viewed from the west, the appearance of the point is suggestive of the head, neck, and fore part of an Arctic polar bear. Named by Advisory Committee on Antarctic Names (US-ACAN), 2000.

Polar Club Glacier
Polar Club Glacier (-62.23333°N, -58.53333°W) is a broad glacier east-northeast of Stranger Point, King George Island, flowing south into Bransfield Strait. Named by the Polish Antarctic Expedition, 1980, after the Polish Polar Club.

Polar Record Glacier
Polar Record Glacier (-69.75°N, 75.5°W) is a large glacier flowing between Meknattane Nunataks and Dodd Island to the central part of Publications Ice Shelf. Delineated in 1952 by John H. Roscoe from aerial photographs taken by U.S. Navy Operation Highjump, 1946-47. Named by Roscoe after Research Institute, Cambridge, England.

Cape Polar Sea
Cape Polar Sea (-73.53333°N, 169.45°W) is a rock cape that forms the west extremity of Coulman Island in northwest Ross Sea. Named in 1998 by Advisory Committee on Antarctic Names (US-ACAN) after USCGC Polar Sea, an icebreaker in support of United States Antarctic Program (USAP) activities in the Ross, Amundsen and Bellingshausen Seas, and other Antarctic coastal areas during 11 seasons, 1980-1997. The cape lies in proximity to Cape Polar Star and Glacier Strait, two features named earlier for American icebreakers.

Cape Polar Star
Cape Polar Star (-73.63333°N, 169.66667°W) is a bold cape which forms the southwest extremity of Coulman Island in northwestern Ross Sea. Named by Advisory Committee on Antarctic Names (US-ACAN) in 1987 after USCGC activities in Antarctica, including the Ross Sea, since Operation Deep Freeze, 1978. A survey of this feature was conducted from Polar Star in 1986.

Polar Subglacial Basin
Polar Subglacial Basin (-85°N, 110°W) is a subglacial basin situated generally between Gamburtsev Subglacial Mountains and the Dominion Range in East Antarctica. The feature was roughly delineated by American, United Kingdom and Soviet seismic field parties, 1958-61. Named by Advisory Committee on Antarctic Names (US-ACAN) (1961) for the proximity of the feature to the South Pole area.

Polar Times Glacier
Polar Times Glacier (-69.76667°N, 74.58333°W) is a glacier on Ingrid Christensen Coast, flowing northward between Svarthausen Nunatak and Boyd Nunatak into the western part of Publications Ice Shelf. Delineated by John H. Roscoe from aerial photographs taken by U.S. Navy Operation Highjump, 1946-47. Named by Roscoe after The Polar Times, a polar journal published by the American polar Society, New York.

Polararboken Glacier
Polararboken Glacier (-69.6°N, 76°W) is a glacier, 3 nautical miles (6 km) northeast of Stein Islands, draining westward into the north part of Publications Ice Shelf. Delineated in 1952 by John H. Roscoe from air photos taken by U.S. Navy Operation Highjump (1946-47). Named by Roscoe after Polararboken, a polar journal published by the Norsk Polarklubb, Oslo, Norway.

Polarforschung Glacier
Polarforschung Glacier (-69.83333°N, 75.11667°W) is a heavily crevassed glacier flowing northward along the west side of Meknattane Nunataks to Publications Ice Shelf. Vestknatten Nunatak lies within the mouth of the glacier. Delineated in 1952 by John H. Roscoe from aerial photographs taken by U.S. Navy Operation Highjump (1946-47), and named by him after fur Polarforschung, Kiel, West Germany.

Polaris Glacier
Polaris Glacier (-64.23333°N, -59.51667°W) is a distinctive glacier, 4 nautical miles (7 km) long, flowing southward from Detroit Plateau, Graham Land, between Pyke and Eliason Glaciers. Mapped from surveys by Falkland Islands Dependencies Survey (FIDS) (1960-61). Named by United Kingdom Antarctic Place-Names Committee (UK-APC) after the "Polaris" motor sledge made by Polaris Industries, Roseau, Minnesota, and used in Antarctica since 1960.

Polaris Peak
Polaris Peak (-84.65°N, -172.66667°W) is a rounded peak (970 m) rising 4 nautical miles (7 km) southwest of Mount Roth in the Gabbro Hills, Queen Maud Mountains. So named by the Southern Party of New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1963-64) because they drove a Polaris motor toboggan to the summit.

Polarmail Ledge
Polarmail Ledge (-79.93333°N, 156.21667°W) is a relatively flat wedge-shaped platform that rises above Communication Heights in the south part of Midnight Plateau, Darwin Mountains. At 2000 m, the feature is similar in elevation and aspect to Skilton Ledge, 1 nautical mile (1.9 km) to the east. Named in association with Richard Chapman Johnson of Nazareth, PA, radio operator involved for 16 years (1985-2001) in coordinating MARSgrams and Polarmail which have enabled personnel in Antarctica to communicate with home.

Polarstar Peak
Polarstar Peak (-77.53333°N, -86.15°W) is a peak rising above 2,400 m, standing 3 nautical miles (6 km) north of Mount Ulmer in the north part of the Sentinel Range. Discovered by Lincoln Ellsworth on his trans-Antarctic flight of November 23, 1935. Named by the Advisory Committee on Antarctic Names (US-ACAN) for the airplane Polar Star in which Ellsworth made the historic flight.

Polarstar Ridge
Polarstar Ridge (-71.81667°N, -70.48333°W) is a jagged ridge, 4 nautical miles (7 km) long, trending southwest from The Obelisk in the Staccato Peaks, south Alexander Island. Named by Advisory Committee on Antarctic Names (US-ACAN) after the Polar Star, the low-wing monoplane from which Lincoln Ellsworth, with pilot Herbert Hollick-Kenyon, discovered and photographed this ridge and the Staccato Peaks, November 23, 1935.

Polarstern Canyon
Polarstern Canyon (-71.5°N, -21°W) is an undersea canyon named for the German research vessel Polarstern, which took part in 22 expeditions to the Arctic and Antarctic (1982-1995). Name proposed by Dr. Heinrich Hinze, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany. Name approved 6/97 (ACUF 271).

Polarstern Knoll
Polarstern Knoll (-71.41667°N, -24.78333°W) is an undersea knoll named for the German research vessel Polarstern, which took part in 22 expeditions to the Arctic and Antarctic (1982-1995). Name proposed by Dr. Heinrich Hinze, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany. Name approved 6/97 (ACUF 271).

Poldervaart Edge
Poldervaart Edge (-80.73333°N, -25.95°W) is an east-facing escarpment rising to about 1,300 m and trending NE-SW for 3.5 nautical miles (6 km) in the Du Toit Nunataks, Read Mountains, Shackleton Range. Photographed from the air by the U.S. Navy, 1967, and surveyed by British Antarctic Survey (BAS), 1968-71. In association with the names of geologists grouped in this area, named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1971 after Professor Arie Poldervaart (1919-64), Dutch petrologist known for his research on basaltic rocks.

Polish Bluff
Polish Bluff (-62.66667°N, -60.4°W) is a bluff with cliffs rising to 100 m, located southwest of the entrance to Johnsons Dock on Hurd Peninsula, Livingston Island, in the South Shetland Islands. The feature was shown on a 1988 Spanish chart as "Punta Polaca" (Polish point). The name has been approved in the amended form recommended by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1990.

Pollard Glacier
Pollard Glacier (-65.81667°N, -64.21667°W) is a glacier flowing into the south side of Comrie Glacier to the east of Bradford Glacier, on the west coast of Graham Land. Mapped by the Falkland Islands Dependencies Survey (FIDS) from photos taken by Hunting Aerosurveys Ltd. in 1956-57. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) for Alan F.C. Pollard (1877-1948), English documentalist, founder and first president of the British Society for International Bibliography, and pioneer in the introduction of the Universal Decimal Classification into British libraries.

Mount Pollard
Mount Pollard (-70.46667°N, 64.61667°W) is a partly snow-covered mountain just south of Corry Massif and 3 nautical miles (6 km) west of Crohn Massif in the Porthos Range, Prince Charles Mountains. Mapped from ANARE (Australian National Antarctic Research Expeditions) surveys and air photos, 1956-65. Named by Antarctic Names Committee of Australia (ANCA) for J.R. Pollard, ionosphere physicist at Wilkes Station, 1964.

Pollholmen
Pollholmen (-69.01667°N, 39.6°W) is an island, 0.3 nautical miles (0.6 km) long, situated 0.1 nautical miles (0.2 km) off the southeast side of East Ongul Island, in the east side of the entrance of Lutzow-Holm Bay. Mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936-37, and named Pollholmen (the bay island), presumably because of its location opposite the narrow inlet or bay separating Ongul and East Ongul Islands.

Cape Pollock
Cape Pollock (-68.05°N, 146.83333°W) is the northern point of Dixson Island, located at the west side of the mouth of Ninnis Glacier. Discovered by the Australasian Antarctic Expedition (1911-14) under Douglas Mawson, who named it for Professor J.A. Pollock of the Expedition Advisory Committee.

Mount Pollock
Mount Pollock (-73.75°N, 162.78333°W) is a symmetrical mountain (2,640 m) that rises above the mid-portion of Recoil Glacier just south of Archambault Ridge, in the Deep Freeze Range, Victoria Land. Mapped by United States Geological Survey (USGS) from surveys and US. Navy air photos, 1960-64. Named by Advisory Committee on Antarctic Names (US-ACAN) for Herbert W. Pollock, U.S. Navy, construction electrician at McMurdo Station, 1962 and 1967.

Pollux Nunatak
Pollux Nunatak (-65.08333°N, -59.88333°W) is an one of the Seal Nunataks, lying 2 nautical miles (3.7 km) northwest of Robertson Island in Larsen Ice Shelf. The probable existence of the feature was first reported by Falkland Islands Dependencies Survey (FIDS) in 1947 and its existence was confirmed during a FIDS survey in 1953. The United Kingdom Antarctic Place-Names Committee (UK-APC) name derives from its association with Castor Nunatak 4.5 nautical miles (8 km) to the SSW; Castor and Pollux were sons of Zeus.

Pollux Rock
Pollux Rock (-57.11667°N, -26.78333°W) is the southern of a pair of large off-lying rocks south of Vindication Island, South Sandwich Islands. This rock, with its neighbor Castor Rock, was named "Castor and Pollux" during the survey of these islands from RRS Discovery II in 1930. In 1971 United Kingdom Antarctic Place-Names Committee (UK-APC) recommended that they be assigned unambiguous names making each individually identifiable, and this has been done by naming the southern one Pollux Rock and the northern one Castor Rock.

Polonez Cove
Polonez Cove (-62.15°N, -58.13333°W) is a cove on the north side of Low Head, King George Island, in the South Shetland Islands. Named by the Polish Antarctic Expedition in 1980 from the Polish form of the French word "polonaise," a stately Polish dance in 3/4 time.

Polygon Spur
Polygon Spur (-86°N, -126°W) is a broad, ice-free spur lying 2 nautical miles (3.7 km) southeast of Tillite Spur at the south end of the Wisconsin Plateau, Horlick Mountains. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960-64. The name was proposed by John H. Mercer, United States Antarctic Research Program (USARP) geologist to these mountains, 1964-65, because the surface of the spur is covered by a network of unsorted polygons.

Polynesia Point
Polynesia Point (-60.71667°N, -45.6°W) is an ice-free point forming the north side of the entrance to Paal Harbor on the east side of Signy Island, in the South Orkney Islands. Surveyed in 1933 by DI personnel, and resurveyed in 1947 by the Falkland Islands Dependencies Survey (FIDS). Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1954 for the floating factory Polynesia, of the Rethval Whaling Co. of Oslo, which worked in the South Orkney Islands in 1913-14.

Pomerantz Tableland
Pomerantz Tableland (-70.63333°N, 159.83333°W) is a high (2,290 m) ice-covered tableland about 10 nautical miles (18 km) long, standing 15 nautical miles (28 km) northwest of Daniels Range in the Usarp Mountains. Mapped 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 Martin A. Pomerantz, Director of the Barthol Research Foundation and Chairman of the U.S. Committee for the International Year of the Quiet Sun, who carried on cosmic ray studies in the McMurdo Sound area, 1959-60 and 1960-61.

Pomona Plateau
Pomona Plateau (-60.58333°N, -45.91667°W) is an ice-covered plateau, over 300 m elevation, extending between Sandefjord Peaks and Deacon Hill in the western part of Coronation Island, in the South Orkney Islands. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) following a survey by the Falkland Islands Dependencies Survey (FIDS) in 1948-50. This naming revives in an altered form a name given by James Weddell in 1822. Being unaware of the prior discovery of Coronation Island by Captain Nathaniel Palmer and Captain George Powell, and its naming at that time, Weddell renamed the island "Pomona" or "Mainland" after the island in the northern Orkney Islands. That name was published by Weddell in 1825 but did not survive.

Ponce Island
Ponce Island (-63.3°N, -57.88333°W) is an island 0.1 nautical miles (0.2 km) east of Ortiz Island and 0.3 nautical miles (0.6 km) southeast of Largo Island in the Duroch Islands. The island lies 1 nautical mile (1.9 km) northeast of the Chilean scientific station, General Bernardo O'Higgins. Named by Martin Halpern, leader of the University of Wisconsin field party during geological mapping of this area, 1961-62. Named for Lautaro Ponce, Chief of Antarctic Operations, University of Chile, in appreciation for Chilean logistical support provided to the Wisconsin field party. == See also == * List of antarctic and sub-antarctic islands

Pond Peak
Pond Peak (-77.31667°N, 162.4°W) is a conspicuous ice-free peak, 1,430 m, at the south side of the mouth of Baldwin Valley in Saint Johns Range, Victoria Land. Named by Advisory Committee on Antarctic Names (US-ACAN) in 1964 after James D. Pond, U.S. Navy, who was in charge of electronic repair and maintenance at Hallett Station, 1962.

Pond Ridge
Pond Ridge (-73.41667°N, -93.55°W) is a flattish rock ridge which extends north from Mount Loweth, in the Jones Mountains. Mapped by the University of Minnesota-Jones Mountains Party, 1960-61, and so named by them because a small pond was discovered on the ridge.

Mount Pond
Mount Pond (-62.95°N, -60.55°W) is a peak, 550 m, standing 1.5 nautical miles (2.8 km) east-southeast of Pendulum Cove, on Deception Island in the South Shetland Islands. The name appears on a 1829 chart based upon survey work by the British expedition under Foster, 1828-31. Probably named for John Pond, noted English astronomer and director of the Royal Observatory at Greenwich at that time.

Ponder Peak
Ponder Peak (-77.48333°N, 162.76667°W) is a

Pontes Ridge
Pontes Ridge (-80.13333°N, 156.4°W) is a mountain spur that descends eastward to McCraw Glacier, 4 nautical miles (7 km) south of Derrick Peak in Britannia Range. Named in association with Britannia by a University of Waikato (N.Z.) geological party, 1978-79, led by M.J. Selby. Pontes is a historical placename formerly used in Roman Britain.

Ponting Cliff
Ponting Cliff (-71.2°N, 168.35°W) is an angular cliff that is similar in appearance to Meares Cliff just eastward, located 3 nautical miles (6 km) east of the terminal confluences of the Dennistoun, Nash and Wallis Glaciers on the northern coast of Victoria Land. First charted by the Northern Party, led by Campbell, of the British Antarctic Expedition, 1910-13, which named it for Herbert G. Ponting, photographer of the expedition.

Ponton Island
Ponton Island (-65.1°N, -63.08333°W) is a small island lying 1.5 nautical miles (2.8 km) southeast of Moureaux Islands near the head of Flandres Bay, off the west coast of Graham Land. The name "Islote Solitario" appears for the feature on an Argentine government chart of 1954, but has been rejected to avoid confusion with Solitario Island at 6752S, 6826W. The island was renamed by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960, for Mungo Ponton (1802-80), a Scottish inventor who discovered in 1839 that potasium bichromate spread on paper is light sensitive, an important landmark in the development of photography. == See also == * List of antarctic and sub-antarctic islands

Ponui Nunatak
Ponui Nunatak (-77.58333°N, 169.01667°W) is a nunatak located 0.6 nautical miles (1.1 km) southeast of Slattery Peak and 5.6 nautical miles (10 km) southwest of The Knoll in southeast Ross Island. The feature rises to 320 m near the juncture of the island and Ross Ice Shelf. The name Ponui (meaning south wind) is one of several Maori wind names applied by New Zealand Geographic Board (NZGB) in this vicinity.

Pony Lake
Pony Lake (-77.55°N, 166.15°W) is a small lake immediately north of Flagstaff Point at Cape Royds, Ross Island. Named by British Antarctic Expedition (1907-09), who built their winter hut adjacent to this lake, because they had their ponies tethered nearby.

Mount Pool
Mount Pool (-86.21667°N, -127°W) is a peak, 2,090 m, standing at the northwest side of Metavolcanic Mountain, at the east flank of Reedy Glacier. 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 Douglas A. Pool, construction electrician at Byrd Station in 1962.

Poorman Peak
Poorman Peak (-69.95°N, 159.25°W) is a rock peak (1,610 m) near the head of Suvorov Glacier, 9 nautical miles (17 km) west-southwest of Mount Ellery, in the Wilson Hills. 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 Dean A. Poorman, ADJ1, U.S. Navy, Aviation Machinist's Mate with Squadron VX-6 at McMurdo Station, 1967.

Pope Glacier
Pope Glacier (-75.31667°N, -111.36667°W) is a glacier about 20 nautical miles (37 km) long, flowing north along the west side of Mount Murphy to Crosson Ice Shelf on Walgreen Coast, in Marie Byrd Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1959-66. Named by Advisory Committee on Antarctic Names (US-ACAN) after Maj. Donald R. Pope, (CE) USA, civil engineer on the staff of the Commander, Naval Support Force, Antarctica, 1965-67.

Pope Mountain
Pope Mountain (-69.73333°N, 158.83333°W) is a largely ice-free mountain (1,345 m) rising directly at the head of Tomilin Glacier, 3 nautical miles (6 km) southeast of Governor Mountain, in the Wilson Hills. 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 Thomas J. Pope, U.S. Navy Reserve, Navigator in LC-130F Hercules aircraft during Operation Deep Freeze, 1968.

Lake Porkchop
Lake Porkchop (-78.26667°N, 163.13333°W) is a lake near the middle of Roaring Valley, having the shape similar to that of a pork chop. Given this descriptive name by the New Zealand Victoria University of Wellington Antarctic Expedition (VUWAE), 1960-61.

Porphyry Bluff
Porphyry Bluff (-64.45°N, -59.18333°W) is a prominent rocky bluff extending from the coast to 2 miles inland, between Larsen Inlet and Longing Gap, Graham Land. Mapped from surveys by Falkland Islands Dependencies Survey (FIDS) (1960-61). Named by United Kingdom Antarctic Place-Names Committee (UK-APC) after the buff-colored quartz-plagioclase-porphyry rock which is characteristic of this exposure.

Porpoise Basin
Porpoise Basin (-66.16667°N, 128.5°W) is an undersea basin named in association with Porpoise Bay. Name approved 12/71 (ACUF 132).

Porpoise Bay
Porpoise Bay (-66.5°N, 128.5°W) is an ice-filled embayment about 90 nautical miles (170 km) wide indenting the coast between Cape Goodenough and Cape Morse. The United States Exploring Expedition (1838-42) under Wilkes applied the name Porpoise Bay, after the USEE brig identification of Porpoise Bay is based on the correlation of Wilkes' chart (1840) with G.D. Blodgett's reconnaissance map (1955) compiled from air photos taken by U.S. Navy Operation Highjump (1946-47). The name has been applied to the large embayment lying close southwest in 6630S, 12830E, in keeping with Wilkes' original naming.

Porpoise Canyon
Porpoise Canyon (-64.33333°N, 131°W) is an undersea canyon located off Wilkes Land; named after associated feature Porpoise Bay, Antarctica. Name approved 7/99 (ACUF 179).

Porpoise Subglacial Highlands
Porpoise Subglacial Highlands (-69.5°N, 134°W) is a group of subglacial highlands to the west of Astrolabe Subglacial Basin, in the east part of Wilkes Land. The feature was delineated by the Scott Polar Research Institute (SPRI)-National Science Foundation (NSF)-Technical University of Denmark (TUD) airborne radio echo sounding program, 1967-79, and named after the Porpoise (Lieutenant C. Ringgold, USN), one of the ships of the United States Exploring Expedition, 1838-42 (Lieutenant Charles Wilkes, USN).

Porro Bluff
Porro Bluff (-64.75°N, -62.55°W) is a bluff lying south of Birdsend Bluff and overlooking Errera Channel on the west coast of Graham Land. Shown on an Argentine government chart of 1950. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960 for Ignazio Porro (1795-1875), Italian engineer who in 1851 invented a prism combination, important in the development of stereo-plotting instruments.

Portal Mountain
Portal Mountain (-78.1°N, 159.16667°W) is a large mountain, 2,555 m, with a broad icecapped summit, standing south of the Lashly Mountains, on the south side of the main stream of the Skelton Glacier where it leaves the polar plateau. Discovered by the New Zealand party of the Commonwealth Trans-Antarctic Expedition (1956-58) who named it because of its association with The Portal.

Portal Point
Portal Point (-64.5°N, -61.76667°W) is a narrow point in the northeast part of Reclus Peninsula, on the west coast of Graham Land. In 1956, an Falkland Islands Dependencies Survey (FIDS) hut was established on the point, from which a route to the plateau was established. So named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960 because the point is the "gateway" of the route.

Portal Rock
Portal Rock (-83.83333°N, 165.6°W) is a turret-like rock knob (1,990 m) in Queen Alexandra Range, standing 1.5 nautical miles (2.8 km) northwest of Fairchild Peak, just south of the mouth of Tillite Glacier. So named by the Ohio State University geology party (1966-67) because the only safe route to Tillite Glacier lies between this rock and Fairchild Peak.

The Portal
The Portal (-78.03333°N, 159.75°W) is the gap between the Lashly Mountains and Portal Mountain, through which the main stream of the Skelton Glacier enters the Skelton neve from the polar plateau. The descriptive name was given in January 1958 by a New Zealand party of the Commonwealth Trans-Antarctic Expedition, 1956-58.

Portalen Pass
Portalen Pass (-72.71667°N, -3.88333°W) is a mountain pass between Domen Butte and Pilarryggen, in the Borg Massif of Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949-52) and named Portalen (the gateway).

Porten Pass
Porten Pass (-72.2°N, 2.38333°W) is a mountain pass between Von Essen Mountain and Nupskammen Ridge in the Gjelsvik Mountains, 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) and named Porten (the gateway).

Porteous Point
Porteous Point (-60.73333°N, -45.68333°W) is a point at the southwest end of Signy Island forming the south entrance point of Cummings Cove and northeast entrance point of Fyr Channel, in the South Orkney Islands. Charted in 1933 by DI personnel on the engineer of the ship.

Porter Hills
Porter Hills (-78.16667°N, 163.66667°W) is a named after Raymond C. Porter, Electronics Technician, USCG, a crewman of USCGC Glacier, who was killed in an offloading accident at McMurdo Station on February 8, 1979.

Porters Pinnacles
Porters Pinnacles (-71.55°N, -99.15°W) is a group of low ice-covered rocks forming a menace to navigation along the north coast of Thurston Island, located about 4 nautical miles (7 km) north of the east extremity of Glacier Bight. Discovered by the U.S. Navy Bellingshausen Sea Expedition in February 1960, and named for Commander Philip W. Porter, Jr., U.S. Navy, commander of the icebreaker USS Glacier which made this discovery.

Mount Porteus
Mount Porteus (-66.81667°N, 51.05°W) is a mountain just east of Peacock Ridge, in the Tula Mountains 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 W.F. Porteus, a member of the crew of the Discovery during the British Australian New Zealand Antarctic Research Expedition (BANZARE), 1929-31.

Portnipa Peak
Portnipa Peak (-72.23333°N, 2.4°W) is a peak, 2,665 m, surmounting Von Essen Mountain and Porten Pass in the Gjelsvik Mountains, 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) and named Portnipa (the gateway peak).

Poryadin Island
Poryadin Island (-66.53333°N, 92.98333°W) is an island lying 0.5 nautical miles (0.9 km) south of Haswell Island in the Haswell Islands. Discovered and mapped by the Australasian Antarctic Expedition under Mawson, 1911-1914. Remapped by the Soviet expedition of 1956, and named for Ya. Poryadin, navigator of the ship Vostok with the Bellingshausen expedition 1819-21. == See also == * List of antarctic and sub-antarctic islands

Posadowsky Bay
Posadowsky Bay (-66.78333°N, 89.45°W) is an open embayment in the vicinity of Gaussberg, just east of the West Ice Shelf. Discovered in February 1902 by German Antarctic Expedition under Drygalski, who named it for Count Arthur von Posadowsky-Wehner, Imperial Home Secretary, who secured a government grant to cover the cost of the Drygalski expedition.

Poseidon Pass
Poseidon Pass (-68.78333°N, -63.66667°W) is a pass about 375 m high on the east side of Antarctic Peninsula. It leads from Mobiloil Inlet to Larsen Ice Shelf between Cape Keeler and Cape Mayo. Photographed from the air by Ronne Antarctic Research Expedition (RARE), December 1947, and roughly surveyed from the ground by Falkland Islands Dependencies Survey (FIDS), November 1947. It was used by the east coast geological party from Stonington Island, November 1960, and was found to provide an ideal sledge route. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) after Poseidon, god of the sea and of earthquakes in Greek mythology.

Poseidon Pond
Poseidon Pond (-77.45°N, 162.18333°W) is a

Posey Range
Posey Range (-71.2°N, 164°W) is a mountain range in eastern Bowers Mountains, bounded by the Smithson, Graveson, Lillie and Champness Glaciers. 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 Julian W. Posey, meteorologist, who was scientific leader at South Pole Station, winter party 1959.

Possession Bay
Possession Bay (-54.1°N, -37.11667°W) is a bay 2 nautical miles (3.7 km) wide which recedes southwest for 5 nautical miles (9 km), entered southeast of Black Head on the north coast of South Georgia. Discovered and named by a British expedition under Cook in 1775. Cook made the first known landing on South Georgia in this vicinity.

Possession Island
Possession Island (-71.86667°N, 171.2°W) is a rocky island nearly 2 nautical miles (3.7 km) long, which is the northernmost and largest of the Possession Islands. Discovered by a British expedition under Ross, 1839-43, and so named by him in commemoration of the planting of the British flag there on January 12, 1841. == See also == * List of antarctic and sub-antarctic islands

Possession Islands
Possession Islands (-71.93333°N, 171.16667°W) is a group of small islands and rocks extending over an area of about 7 nautical miles (13 km), lying in the western part of Ross Sea, 5 nautical miles (9 km) southeast of Cape McCormick, Victoria Land. The group was named by Captain James Ross, Royal Navy, in commemoration of the planting of the British flag here on January 12, 1841. == See also == * List of antarctic and sub-antarctic islands

Possession Rocks
Possession Rocks (-66.75°N, 98.85°W) is a two small rock outcrops just east of Northcliffe Glacier, above which they rise to 160 meters. Discovered by the Eastern Sledge Party under Frank Wild of the Australasian Antarctic Expedition, 1911-14, and so named following a ceremony in December 1912 of claiming this area for the British Crown.

Cape Possession
Cape Possession (-63.71667°N, -61.85°W) is a cape which forms the west extremity of Chanticleer Island, just west of Hoseason Island in the Palmer Archipelago. The name was applied by Captain Henry Foster of the Chanticleer, whose party made a landing in this vicinity on January 7, 1829.

Post Office Hill
Post Office Hill (-77.46667°N, 169.23333°W) is a prominent hill, 430 m, standing 4 nautical miles (7 km) northwest of The Knoll and overlooking the Adelie penguin rookery of Cape Crozier, Ross Island. Mapped and so named by the New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1958-59, because the ship Discovery, in January 1902, left messages attached to a pole in a cairn of rocks in the rookery for the relief ship Morning.

Post Ridge
Post Ridge (-76.93333°N, -143.63333°W) is a rock ridge, 3 nautical miles (6 km) long and trending WNW-ESE, situated immediately northeast of Mount Swan in the Ford Ranges, Marie Byrd Land. Discovered and first mapped by the United States Antarctic Service (USAS), 1939-41. Named by Advisory Committee on Antarctic Names (US-ACAN) for Madison J. Post, ionospheric physicist at Byrd Station in 1970.

Post Rock (South Georgia)
Post Rock (-54.01667°N, -37.98333°W) is a small promontory 40 m high, forming the west side of the entrance to Elsehul, near the west end of South Georgia. The name appears to be first used on a 1931 British Admiralty chart.

Poste Point
Poste Point (-65.08333°N, -64.01667°W) is a point on the west side of Booth Island which marks the south limit of Salpetrere Bay, in the Wilhelm Archipelago. First charted by the French Antarctic Expedition, 1903-05, and named by Charcot for L. Poste, stoker on the ship Francais.

Postel Nunatak
Postel Nunatak (-84.88333°N, -67.76667°W) is a nunatak, 1,450 m, standing 8 nautical miles (15 km) southwest of Snake Ridge along the ice escarpment that trends southwest from the ridge, in the Patuxent Range, Pensacola Mountains. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1956-66. Named by Advisory Committee on Antarctic Names (US-ACAN) for Philip A. Postel, meteorologist at South Pole Station, winter 1967.

Mount Poster
Mount Poster (-74.68333°N, -65.65°W) is a mountain lying west of the Latady Mountains and 9 nautical miles (17 km) northwest of Mount Tenney, 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 Carl K. Poster, geophysicist with the United States Antarctic Research Program (USARP) South Pole-Queen Maud Land Traverse III, summer 1967-68.

Postern Gap
Postern Gap (-63.25°N, -55.98333°W) is a pass in the central ridge of Joinville Island, just east of Mount Tholus. Surveyed by the Falkland Islands Dependencies Survey (FIDS) in 1954. So named by the United Kingdom Antarctic Place-Names Committee (UK-APC) because this is the only way through the ridge which gives access to the central part of the south coast of Joinville Island.

Postillion Rock
Postillion Rock (-68.23333°N, -66.88333°W) is a small ice-free rock in the north part of Neny Fjord, lying close south of Roman Four Promontory along the west coast of Graham Land. First surveyed in 1936 by the British Graham Land Expedition (BGLE) under Rymill. Resurveyed in 1949 by the Falkland Islands Dependencies Survey (FIDS) and so named by them because of its outlying position.

Potaka Inlet
Potaka Inlet (-72.03333°N, -99.38333°W) is a narrow ice-filled inlet about 8 nautical miles (15 km) long, indenting the north side of Thurston Island immediately east of Starr Peninsula. First delineated from air photos taken by U.S. Navy Operation Highjump in December 1946. Named by Advisory Committee on Antarctic Names (US-ACAN) for Dr. Louis H. Potaka, medical officer with the Byrd Antarctic Expedition, 1933-35.

Pothole Gulch
Pothole Gulch (-57.11667°N, -26.76667°W) is a gulch whose bed is broken by numerous potholes, draining the southeast portion of Vindication Island, South Sandwich Islands. The descriptive name was applied by United Kingdom Antarctic Place-Names Committee (UK-APC) in 1971.

Potmess Rocks
Potmess Rocks (-62.31667°N, -59.75°W) is a group of large rocks, including the very distinctive feature named Asses Ears near the north end, located 1.2 nautical miles (2.2 km) west of Heywood Island, South Shetland Islands. The name arose from the midday stew served on Nimrod of the Royal Navy Hydrographic Survey Unit, January to March 1967, at the time the rocks were charted.

Potter Cove
Potter Cove (-62.23333°N, -58.7°W) is a cove indenting the southwest side of King George Island to the east of Barton Peninsula, in the South Shetland Islands. Potter Cove was known to sealers as early as 1821, and the name is now well established in international usage.

Potter Glacier
Potter Glacier (-78.38333°N, 162.2°W) is a glacier about 12 nautical miles (22 km) long, between Mounts Huggins and Kempe in the Royal Society Range, flowing generally southwest into the Skelton Glacier. Mapped by United States Geological Survey (USGS) from ground surveys and Navy air photos. Named by Advisory Committee on Antarctic Names (US-ACAN) in 1963 for Lieutenant Commander Edgar A. Potter, U.S. Navy, helicopter pilot at McMurdo Station in 1960.

Potter Nunataks
Potter Nunataks (-72.03333°N, 161.16667°W) is a group of small, rather isolated nunataks about 6 nautical miles (11 km) southwest of the Helliwell Hills and 20 nautical miles (37 km) northeast of Welcome Mountain of the Outback Nunataks. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1959-64. Named by Advisory Committee on Antarctic Names (US-ACAN) for Neal Potter, economist, McMurdo Station, 1965-66, who made a study of the economic potentials of Antarctica.

Potter Peak
Potter Peak (-75.11667°N, -68.75°W) is a peak standing 6 nautical miles (11 km) east of Mount Jenkins in the Sweeney Mountains, Ellsworth Land. First observed from aircraft by the Ronne Antarctic Research Expedition (RARE), 1947-48. 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 Christopher J. Potter, glaciologist at Byrd Station, summer 1965-66.

Potter Peninsula
Potter Peninsula (-62.25°N, -58.66667°W) is a low ice-free peninsula between Potter Cove and Stranger Point in southwest King George Island, South Shetland Islands. Named "Peninsula Potter" in association with the cove by Chilean geologists Roberto Araya and Francisco Herve, 1966, following field work at Potter Cove. The English form of the name has been approved.

Mount Potter
Mount Potter (-78.13333°N, 162.28333°W) is a named after Noel Potter, Jr., Chairman, Dept. of Geology, Dickinson College, Carlisle, PA; a glacial geologist who workied in this area during seven seasons.

Pottinger Point
Pottinger Point (-61.93333°N, -58.4°W) is a point 2 nautical miles (3.7 km) east of Round Point on the north coast of King George Island, South Shetland Islands. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960 for Captain Pottinger, Master of the Tartar from London, who visited the South Shetland Islands in 1821-22.

Potts Glacier
Potts Glacier (-72.96667°N, 166.83333°W) is a steep glacier draining from the west slopes of Malta Plateau and flowing south to enter Mariner Glacier, in the Victory Mountains, Victoria Land. 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 Donald C. Potts, biologist at McMurdo Station, 1966-67.

Potts Peak
Potts Peak (-61.96667°N, -58.3°W) is a peak standing at the west side of Eldred Glacier on the north coast of King George Island, South Shetland Islands. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960 for Captain Potts, Master of the sealing vessel L.P. Simmons from New London, CT, who visited the South Shetland Islands in 1873-74.

Poulter Glacier
Poulter Glacier (-86.83333°N, -153.5°W) is a tributary glacier draining east along the south flank of the Rawson Mountains of the Queen Maud Mountains to enter Scott Glacier. Discovered by the geological party of the Byrd Antarctic Expedition, 1933-35, and named by Byrd for Thomas C. Poulter, second in command of the expedition.

Poulton Peak
Poulton Peak (-68.03333°N, 63.03333°W) is the highest point on the elongated rock ridge in the northeast part of Blanabbane Nunataks, in Mac. Robertson Land. The summit has the appearance of a rock cairn. The peak was used as an unoccupied trigonometrical station by ANARE (Australian National Antarctic Research Expeditions) surveyor M.J. Corry in 1965. Named by Antarctic Names Committee of Australia (ANCA) for M.A. Poulton, weather observer at Mawson Station in 1965.

Pourquoi Pas Glacier
Pourquoi Pas Glacier (-66.25°N, 135.91667°W) is a glacier 4 nautical miles (7 km) wide and 15 nautical miles (28 km) long, flowing north-northwest from the continental ice and terminating in a prominent tongue 9 nautical miles (17 km) west-northwest of Pourquoi Pas Point. Delineated by French cartographers from air photos taken by U.S. Navy Operation Highjump, 1946-47. Named in 1952 by the French Antarctic Sub-committee after the Pourquoi-Pas?, polar ship of the French Antarctic Expedition under Charcot, 1908-10, later used by Charcot in expeditions to Greenland.

Pourquoi Pas Glacier Tongue
Pourquoi Pas Glacier Tongue (-66.16667°N, 136°W) is a prominent glacier tongue 4 nautical miles (7 km) wide and 6 nautical miles (11 km) long, extending seaward from Pourquoi Pas Glacier. Delineated from air photos taken by U.S. Navy Operation Highjump, 1946-47, and named for the French polar ship Pourquoi-Pas?.

Pourquoi Pas Island
Pourquoi Pas Island (-67.68333°N, -67.46667°W) is a mountainous island, 17 nautical miles (31 km) long and from 5 to 11 nautical miles (20 km) wide, lying between Bigourdan and Bourgeois Fjords off the west coast of Graham Land. Discovered by the French Antarctic Expedition under Charcot, 1908-10. The island was charted more accurately by the British Graham Land Expedition (BGLE) under Rymill, 1934-37, who named it for Charcot's expedition ship, the Pourquoi-Pas?. == See also == * List of antarctic and sub-antarctic islands

Pourquoi Pas Point
Pourquoi Pas Point (-66.2°N, 136.18333°W) is an ice-covered point which forms the west side of the entrance to Victor Bay. Charted by the French Antarctic Expedition, 1950-52, and named in 1954 for the French polar ship Pourquoi-Pas?.

Poutini Peak
Poutini Peak (-78.15°N, 163.16667°W) is a Maori word for the sacred New Zealand greenstone.

Powder Island
Powder Island (-69.53333°N, -68.78333°W) is a small island lying 8 nautical miles (15 km) south-southeast of Cape Jeremy and 2 nautical miles (3.7 km) off the west coast of Palmer Land, in George VI Sound. First surveyed in 1948 by the Falkland Islands Dependencies Survey (FIDS), and so named by them because of the friable nature of the rock found on the island. == See also == * List of antarctic and sub-antarctic islands

Powell Basin
Powell Basin (-62.25°N, -49.5°W) is an undersea basin named for George Powell, captain of a British sealing ship, who discovered Powell Island. Name approved 10/77 (ACUF 177).

Powell Channel
Powell Channel (-68.13333°N, -67.11667°W) is a narrow channel between Millerand Island and Debenham Islands, off the west coast of Graham Land. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for Lieutenant John M. Powell, Royal Navy, who surveyed the channel in 1972.

Powell Cove
Powell Cove (-66.25°N, 110.53333°W) is a cove in the western side of Clark Peninsula, between Whitney and Stonehocker Points. First mapped from air photographs taken by U.S. Navy Operation Highjump (1946-47) and included in a 1957 ground survey by C.R. Eklund. Named by the latter for James T. Powell, U.S. Navy, chief aerographer at Wilkes Station, 1957.

Powell Hill
Powell Hill (-81.93333°N, 161.18333°W) is a rounded, ice-covered prominence 6 nautical miles (11 km) west-southwest of Mount Christmas, overlooking the head of Algie Glacier. Named by Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant Commander James A. Powell, U.S. Navy, communications officer at McMurdo Station during U.S. Navy Operation Deepfreeze 1963 and 1964.

Powell Island
Powell Island (-60.68333°N, -45.05°W) is a narrow island 7 nautical miles (13 km) long and 2 nautical miles (3.7 km) wide, lying between Coronation and Laurie Islands in the central part of the South Orkney Islands. Discovered on the occasion of the joint cruise by Captain George Powell and Captain Nathaniel Palmer in December 1821. It was correctly charted, though unnamed, on Powell's map published in 1822. Named for Captain Powell on an Admiralty chart of 1839. == See also == * List of antarctic and sub-antarctic islands

Powell Rock
Powell Rock (-60.7°N, -45.6°W) is a small submerged rock on the east side of Signy Island in the South Orkney Islands. It lies off the mouth of Starfish Cove, about 0.3 nautical miles (0.6 km) northeast of Balin Point. First charted by Petter Sorlle in 1912-13 and named "Powellboen," after his whale catcher Powell. The Falkland Islands Dependencies Survey (FIDS) fixed the position of breakers here during rough weather in 1947.

Mount Powell (Antarctica)
Mount Powell (-85.35°N, -87.93333°W) is a prominent mountain (2,195 m) sharing a small massif with King Peak which stands 1.5 nautical miles (2.8 km) west-northwest, in the east part of the Thiel Mountains. The name was proposed by Peter Bermel and Arthur Ford, co-leaders of the Thiel Mountains party which surveyed these mountains in 1960-61. Named for John Wesley Powell, second director of the U.S. Geological Survey, 1881-94. Other peaks in the vicinity are named for directors of the United States Geological Survey (USGS).

Poynter Col
Poynter Col (-63.81667°N, -59.11667°W) is a snow-filled col, over 700 m high, joining Poynter Hill and Ivory Pinnacles in northern Graham Land. The col is 9 nautical miles (17 km) east-southeast of Cape Kjellman. Charted by Falkland Islands Dependencies Survey (FIDS) in 1948. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) from association with Poynter Hill.