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(Click for frequent words.) 60 Petermann Glacier 60 Ross Ice Shelf 59 Nunavut Territory coal 59 Ayles Ice Shelf 58 Bylot Island 58 Arctic Ocean 57 Antarctic Peninsula 57 Arctic Archipelago 57 Antarctica 56 Baffin Island 54 Antarctic peninsula 54 Ronne Ice Shelf 54 Axel Heiberg Island 54 Nares Strait 53 Hunt Ice Shelf 53 Transantarctic Mountains 53 Beaufort Sea 53 Weddell Sea 53 Antarctic 53 Arctic Circle 53 Antarctic continent 52 Svalbard archipelago 52 Arctic 52 mosasaur 52 Greenland glacier 52 Lake Vostok 52 Wilkins Ice Shelf 52 Dry Valleys 52 Axel Heiberg 51 icefield 51 glacier 51 glacial ice 51 Aleutian Chain 51 supercontinent 51 Spitzbergen 51 Ayles shelf 50 Arctic archipelago 50 subarctic 50 Antarctic glacier 50 sub glacial lakes 50 Cape Royds 50 Trudy Wohlleben 50 icecap 50 Ice Shelf 50 Larsen Ice Shelf 50 dogsled expedition 50 subglacial lake 50 Laurasia 49 Syrtis Major 49 Greenland 49 Jakobshavn 49 Bellingshausen Sea 49 floe 49 Burgess Shale 49 ancient supercontinent 49 Charcot Island 49 Laurentide ice sheet 49 Svalbard Islands 49 Ny Alesund 49 receding glacier 48 Gakkel Ridge 48 polar vortex 48 Antarctic ice 48 Beardmore Glacier 48 icefields 48 equatorial waters 48 Resolute Bay 48 Svalbard islands 48 ice calved 48 Spitsbergen Norway 48 McMurdo Dry Valleys 48 Laurentide Ice Sheet 48 Great Slave Lake 48 rock outcrop 48 Cryogenian period 48 Surtsey 48 mammoth tusk 48 Prydz Bay 48 undersea volcanoes 48 Cape Adare 48 Sable Gully 48 polar regions 47 Greenland icecap 47 Cryogenian 47 Alaska Aleutian Islands 47 abyssal plain 47 McMurdo Sound 47 Frobisher Bay 47 Permian Period 47 Qaanaaq 47 mammal fossils 47 southern supercontinent 47 Gondwanaland 47 permafrost 47 bonebed 47 Jurassic Period 47 Ontario Lacus 47 seafloor sediments 47 Norris Geyser Basin 47 Drygalski ice tongue 47 Antarctic Ice Shelf 47 Tasman Glacier 47 Gusev crater 47 North Pole 47 Holocene epoch 47 Eocene epoch 47 Dinosaur Cove 47 methane seeps 47 melting glacial 47 Siple Dome 46 glaciers retreated 46 Nunavut Territory 46 undersea Lomonosov Ridge 46 polar 46 marine reptile 46 Bering Sea 46 Auyuittuq National 46 Ilulissat Greenland 46 Johnstone Strait 46 Greenland glaciers 46 warm interglacial periods 46 Denisova cave 46 Laptev Sea 46 Tasiilaq 46 Big Diomede 46 polynya 46 Russ Hopcroft 46 penguin rookery 46 hydrothermal vent 46 supervolcanoes 46 Puijila 46 dromaeosaurs 46 arctic tundra 46 Vatnajökull 46 sedimentary layers 46 NSIDC 46 terminal moraine 46 Anvers Island 46 Norwegian polar explorer 46 Petermann glacier 46 antarctic 46 Vastitas Borealis 46 Whillans Ice Stream 46 glaciated 46 frozen wasteland 46 Arabia Terra 46 drifting ice floe 46 Ungava Bay 46 gaseous planet 46 tabular icebergs 46 Adélie penguins 46 Okmok Caldera 46 continental crust 46 Sermilik Fjord 46 Point Pelee 46 Svalbard 46 tundra 46 Alaska Aleutian 45 Bouvet Island 45 Arctic seabed 45 RV Polarstern 45 volcanic islands 45 Cambrian Period 45 Admiralty Island 45 Antartic 45 Martian crater 45 Permian extinction 45 backboned animals 45 Quaternary Period 45 Resolute Nunavut 45 Aleutian chain 45 Larsemann Hills 45 Mertz Glacier 45 subglacial lakes 45 Angilak Project 45 Athabasca Glacier 45 glacial fjord 45 supervolcano 45 southern latitudes 45 icebergs 45 Wrangell Mountains 45 Dronning Maud Land 45 polar explorer Roald Amundsen 45 Lake Untersee 45 Galilean satellites 45 calderas 45 Cenozoic Era 45 Borge Ousland 45 Arctic tundra 45 humpback whales migrate 45 Quelccaya 45 retreating glaciers 45 sedimentary rock 45 Quelccaya ice cap 45 Fiord 45 underwater Lomonosov Ridge 45 Queen Maud 45 Antartica 45 geologic 45 geologically active 45 volcanic activity 45 permanently shadowed craters 45 Latady Island 45 Foja Mountains 45 Selkirk Mountains 44 Kasatochi 44 Alpine Fault 44 Pleistocene Epoch 44 sedimentary deposits 44 Igor Semiletov 44 Foxe Basin 44 Nankai Trough 44 fossilized footprints 44 Wrangel Island 44 Pleistocene Ice Age 44 Hydrothermal vents 44 Spitsbergen archipelago 44 Unimak Island 44 Greenland Antarctica 44 Patagonian glaciers 44 driftless area 44 Algonquin Provincial 44 sedimentary layer 44 Hercules Inlet 44 tidewater glaciers 44 Pleistocene 44 fjord 44 Jakobshavn Glacier 44 Lake Nipigon 44 fossilized creatures 44 lunar crust 44 Laramidia 44 Icy Cape 44 Coast Guard icebreaker Amundsen 44 Grise Fiord 44 volcano caldera 44 Sermeq Kujalleq glacier 44 toed dinosaur 44 French Frigate Shoals 44 volcanic crater 44 Thelon Basin 44 supercontinent Pangaea 44 Siberian permafrost 44 arctic 44 sauropod skulls 44 submarine volcanoes 44 Denisova Cave 44 Operation Nanook 44 Sarahsaurus 44 Woolly mammoths 44 polar icecap 44 Cape Alava 44 Gondwana supercontinent 44 Strathcona Fiord 44 Northwest Passage 44 Spitsbergen 44 lava tubes 44 GJ#b 44 Wrangell St 44 supercontinents 44 interglacial period 44 polar plateau 44 radiocarbon dated 44 rocky outcrop 44 boreal forest 44 Amundsen Sea 44 muskoxen 44 Exit Glacier 44 Nikumaroro 44 Selwyn Basin 44 Ketza River property 44 iridium layer 44 Late Cretaceous Period 44 Attu Island 44 northernmost reaches 44 Russia Kamchatka Peninsula 44 Ulysses spacecraft 44 glaciers receded 44 Queen Charlottes 43 Chazy Reef 43 glaciation 43 Jakobshavn Isbrae 43 deglaciation 43 Kluane 43 western Aleutian Islands 43 Northwest Territories 43 Michael Studinger 43 Jan Mayen 43 Siberian tundra 43 Nikumaroro Island 43 Liang Bua 43 Gigantopithecus 43 Mount Foraker 43 extinct volcanoes 43 refrozen ice 43 circumpolar 43 Neoproterozoic 43 caribou herd 43 Lamont Doherty 43 moons orbiting 43 Martian polar 43 Russia Kamchatka peninsula 43 Polar Regions 43 coldest driest 43 interglacial 43 Beluga sapphire property 43 GJ #b [001] 43 Columbia Icefield 43 rocky islets 43 Harding Icefield 43 Miocene epoch 43 Glaciologists 43 Ellef Ringnes Island 43 Pleistocene era 43 Baffin Island Nunavut 43 volcanic caldera 43 Yellowstone caldera 43 stratovolcano 43 horned dinosaur 43 HD#b 43 Ammassalik Island 43 Saanich Inlet 43 Inuit 43 Pond Inlet Nunavut 43 atop Mauna Kea 43 supercontinent Gondwana 43 Valles Marineris 43 dinosaur species 43 Antarctic Ice 43 Tiktaalik roseae 43 Jutland peninsula 43 beaked whale species 43 Aleutian island 43 Nunavut hamlet 43 Fram Strait 43 icy comets 43 Mendenhall Glacier 43 Seward Peninsula 43 conodonts 43 caldera 43 Pleistocene epoch 43 Talkeetna Mountains 43 temperate rainforest 43 mammal lineages 43 Punta Tombo 43 narwhal 43 subantarctic 43 austral summer 43 glaciers 43 Chilcotin Plateau 43 Arctic permafrost 43 paleontological discoveries 43 mastodon tusk 43 British Antarctic Survey 43 subsurface ocean 43 mastodon tooth 43 fissure eruption 43 neutrino telescope 43 Jupiter moons Europa 43 Pribilof Islands 43 Enceladus 43 Adelie penguins 43 fiords 43 Siberian Arctic 43 North Pacific Gyre 43 ice floes 42 icefalls 42 Triassic Period 42 glacier calving 42 Farne Islands 42 stromatolites 42 Qinghai Tibet plateau 42 Late Cretaceous 42 West Quoddy Head 42 Late Jurassic 42 Kerguelen Plateau 42 receding glaciers 42 Antarctica EPICA 42 Toolik Lake 42 latitudes 42 volcanically active 42 bison lumbered 42 Bering Glacier 42 Muskeget 42 ocean ridges 42 grabens 42 Paleocene Eocene Thermal Maximum 42 Arctic ice floe 42 lithosphere 42 Arctic foxes 42 Scambos 42 Beringia 42 Svalbard Archipelago 42 icebergs calving 42 Kola Peninsula 42 interglacial periods 42 Archaean 42 Shiveluch 42 Iguanodon 42 Doomsday Seed Vault 42 Baie Verte peninsula 42 tidewater glacier 42 Snowball Earth 42 fossils 42 Malpeque Bay 42 Dirk Hartog Island 42 taiga forest 42 Arctic explorer 42 Wollaston Domain 42 Lake Cheko 42 Longyearbyen Norway 42 Chilko Lake 42 Greenland ice 42 Olympus Mons 42 plesiosaur 42 McNugget Property 42 continental drift 42 western Antarctic Peninsula 42 Barents Sea 42 H. habilis 42 Ogasawara Islands 42 Gamburtsev 42 Precambrian 42 Quartz Claims 42 Earthlike planets 42 Haughton Crater 42 Disko Bay 42 frozen Bering Strait 42 ivory gull 42 Walruses dive 42 Lonnie Dupre 42 Iturup 42 Magnetic Pole 42 glaciations 42 HPM Forgues Property 42 Lubec Maine 42 yedoma 42 Meridiani 42 sauropod dinosaurs 42 Pastoruri 42 subduction zone 42 Permafrost 42 Cretaceous Period 42 partial skeleton 42 Cripple checkpoint 42 penguin rookeries 42 TrES 4 42 sandstone buttes 42 KT boundary 42 vast Gusev Crater 42 volcano Olympus Mons 42 coral atoll 42 megaflood 42 subarctic regions 42 Greenlandic 42 bedrock outcrops 42 Nili Fossae 42 Brunt Ice Shelf 42 Artic Circle 42 Europasaurus 42 Pond Inlet 42 fossil vertebrates 42 cratons 42 cinder cones 42 planets Uranus 42 Late Triassic 42 Quatsino Sound 42 Yellowstone Caldera 42 ichthyosaur 42 Hellas Planitia 42 sediment cores 42 Paleozoic era 42 penguin colonies 42 rocky planets 42 diamondiferous kimberlites 42 Antarctic seas 42 Tunguska meteorite 42 lunar craters 42 Tertiary Period 42 Earth crust 42 Melville Peninsula 42 mammoths roamed 42 dinosaur bones 42 Hardangervidda 42 lake sediment cores 42 moon Enceladus 42 freshwater jellyfish 42 Iceberg Alley 42 Altai Mountains 42 Hardanger Fjord 42 Pacific Gyre 42 Fomalhaut b 42 extrasolar planet 42 ancient hominid 42 boreal regions 42 glacial earthquakes 42 Greenland Ice 42 Siberian Traps 41 Permian Triassic extinction 41 marine sediments 41 Jakobshavn glacier 41 Ice Age 41 Melting Arctic 41 Antarctic icecap 41 talus slopes 41 phyllosilicate 41 mighty T. rex 41 neutrino detector 41 Norway Svalbard archipelago 41 Ice Sheet 41 Pangnirtung Nunavut 41 Mummy Range 41 Igloolik 41 Nunavut 41 Aleutians 41 sauropod dinosaur 41 Charlie Vandergaw 41 Siberia 41 research vessel Polarstern 41 Helheim Glacier 41 Nihoa Island 41 Yukon Territories 41 Nyac 41 Pliocene epoch 41 hunted caribou 41 Elysium Planitia 41 fabled Northwest Passage 41 Arctic icecap 41 thawing tundra 41 glacial cycles 41 Whale Cove 41 polar expeditions 41 Operation Nunalivut 41 sea hydrothermal vents 41 Orcus Patera 41 volcanism 41 Hesperian Epoch 41 outer corona 41 pallasite 41 claystone 41 ice floe 41 Kure Atoll 41 Eocene 41 Upsilon Andromedae b 41 earliest hominid 41 moraine 41 Quesnel Trough 41 subalpine forest 41 Garibaldi Provincial 41 Novaya Zemlya 41 ALH# 41 Steese Highway 41 eruptive activity 41 Aletsch 41 Chukchi Cap 41 muskox 41 sediments deposited 41 Afognak Island 41 Norway Svalbard 41 Toolik Field Station 41 Martian equator 41 explorer Pen Hadow 41 equator 41 Subarctic 41 Bering Strait 41 glaciology 41 Inupiat village 41 Shikotan 41 Eurasian continent 41 Clipper Adventurer 41 Antarctic Ocean 41 planet HD #b 41 Ilulissat 41 Westman Islands 41 moonlet 41 shadowy craters 41 landmasses 41 Last Glacial Maximum 41 Somes Sound 41 COROT 7b 41 Grimsvotn lies 41 Precambrian rocks 41 icebound 41 Kermadec Arc 41 Unalaska Island 41 Norwegian Polar 41 Corot 7b 41 puffins 41 shaded craters 41 lunar meteorites 41 Whatipu 41 Greenland Iceland 41 seamounts 41 journal Geology 41 hydrated minerals 41 subglacial 41 Godwits 41 meteor crater 41 Mauna Loa volcano 41 glacial silt 41 igneous rocks 41 caribou herds 41 dinosaur fossil 41 Gneiss 41 polar ice 41 Kuiper belt 41 Sisimiut 41 Jane Ferrigno 41 basaltic rocks 41 Milky Way galaxy 41 marine reptiles 41 tropical troposphere 41 Ammassalik 41 Ungava Peninsula 41 Milky Way Galaxy 41 Gaspé Peninsula 41 Svalbard Norway 41 Stegodon 41 Inuit elders 41 Columbia Icefields 41 Kangerlussuaq 41 glaciers melted 41 Shackleton expedition 41 musk oxen 41 Umnak Island 41 Kugruk 41 Salekhard 41 Pleistocene Age 41 Seamounts 41 Gros Ventre Wilderness 41 Niwot Ridge 41 Pacific Ocean 41 Greenland icesheet 41 titanosaurs 41 drumlin 41 Hellas Basin 41 Augustine Volcano 41 Nanisivik 41 McMurdo Station 41 Amchitka Island 41 Omega Centauri 41 wintering eagles 41 Strathcona Provincial 41 Quaoar 41 Mariana Arc 41 smallest exoplanet 41 carbonate minerals 41 Mesozoic 41 atmospheric methane 41 exo planet 41 taiga forests 41 stromatolite 41 Amundsen Sea Embayment 41 Ny Ålesund 41 Mount Erebus 41 Abydosaurus 41 planet Gliese #g 41 Bramley Murton 41 Geologically 41 Musk oxen 41 paleomagnetic 40 Qinghai Tibet Plateau 40 fossil specimens 40 carnivorous dinosaur 40 Deadhorse Alaska 40 volcanic cone 40 yardangs 40 Dumont d'Urville station 40 Maastrichtian 40 Martian meteorite 40 NASA Cassini spacecraft 40 Greater Yellowstone Ecosystem 40 Matanuska Glacier 40 Mauna Loa Observatory 40 deep convective clouds 40 steppe bison 40 floes 40 Beta Pictoris 40 musk ox 40 fossilized bones 40 Andreas Muenchow 40 bowhead 40 saber tooth cat 40 Laetoli 40 Quetico 40 Fossil hunters 40 northwesternmost 40 deepwater corals 40 Coppermine River 40 reindeer herder 40 dinosaur fossils 40 Linhenykus 40 Sognefjord 40 Kanaga Volcano 40 laser altimetry 40 Amery Ice Shelf 40 Antarctic Territory 40 Lustdust 40 Martian meteorites 40 Mawson Hut 40 Toba eruption 40 sedimentary basin 40 calving glacier 40 Habomai 40 Crozet Islands 40 snailfish 40 Kuril chain 40 Kuiper Belt object 40 Research LTER 40 Mount Bosavi 40 Waters Pollution Prevention 40 past boninite lavas 40 Weddell seals 40 glacial geology 40 boreal 40 sea scorpions 40 Natalia Rybczynski 40 Columbian mammoth 40 Vatnajokull 40 planemos 40 warmings 40 Athabasca basin 40 Cascadia fault 40 subduction zones 40 speleothems 40 Nunivak Island 40 volcanic archipelago 40 Antarctic waters 40 Kintla Lake 40 Tracy Arm fjord 40 Palmyra Atoll 40 explorer Jacques Cartier 40 Bering Land 40 Disko Island 40 katabatic winds 40 basalt cliffs 40 Hadley Rille 40 Alaskan panhandle 40 lavas 40 Fossilized bones 40 Cenozoic era 40 stratigraphic sequence 40 lodgepole pine forest 40 wrinkle ridges 40 exoplanet 40 cormorant nests 40 seafloor sediment 40 spectacled eider 40 glacial till 40 geological 40 Aviat Project 40 underwater volcanoes 40 steppe mammoth 40 methane hydrate deposits 40 Vatnajökull glacier 40 solidified lava 40 Kalluk 40 paleontologists 40 Nisqually Glacier 40 Lituya Bay 40 hominid fossils 40 Glacier 40 necked dinosaur 40 Keweenaw Peninsula 40 mid latitudes 40 anorthosite 40 volcanic sediments 40 T.rex 40 iceberg calving 40 Polar bears depend 40 oceanic crust 40 Terre Adelie 40 bearded seals 40 treeless expanse 40 Stikine 40 McMurdo Base 40 melting permafrost 40 geologically 40 Plesiosaurs 40 Cape Lisburne 40 constellation Libra 40 Marathon PGM deposit 40 Younger Dryas 40 Isidis Planitia 40 Sointula 40 whaleback 40 Anticosti Island 40 Albertosaurus 40 Shumagin Islands 40 permafrost thaws 40 Kepler #b 40 Alaskan glaciers 40 snowcover 40 Malmbjerg molybdenum project 40 asthenosphere 40 Iapetus 40 Little Diomede 40 Oregon Wallowa Mountains 40 polar oceans 40 clathrates 40 Durrand Glacier 40 Argentinosaurus 40 routinely sloughed off 40 Greenland semiautonomous Danish 40 Paliki 40 volcanic vents 40 A. ramidus 40 meteorologically speaking 40 harp seal population 40 Cambrian Ordovician 40 Cretaceous 40 Drake Passage 40 bowheads 40 Cretaceous periods 40 unclimbed peaks 40 meteorite fragments 40 basaltic magma 40 Norwegian explorer Fridtjof 40 Ediacaran Period 40 Kilimanjaro glaciers 40 Bering Straight 40 pliosaur ferocious predator 40 Saturn rings 40 Superior Craton 40 Eske Willerslev 40 Tibetan Plateau 40 intertidal 40 sunspots 40 lake sediments 40 Tuktoyaktuk 40 Davidson Seamount 40 geomagnetic 40 seafloor 40 Gigantoraptor 40 Stikine River 40 Mount Mazama 40 Mesozoic mammals 40 sauropodomorphs 40 Inuit hunters 40 mountainous Altai 40 Psittacosaurus 40 constellation Andromeda 40 Inuit hunter 40 Neogene 40 Disenchantment Bay 40 thermal vents 40 Knik Arm 40 Inukshuks 40 constellation Pisces 40 Siberian taiga 40 Skookumchuck 40 Pasfield Lake 40 Perito Moreno 40 Pamir Mountains 40 cod fisheries 40 mesosphere 40 Mertz Glacier Tongue 40 HiRISE images 40 Mount Katla 40 Cretaceous Tertiary 40 Gliese #g 40 Oort cloud 40 Skagerrak 40 Chugach Mountains 40 meteorite 40 giant squid Architeuthis 40 lodgepole pine forests 40 auklets 40 Kamchatka peninsula 40 Valles Marineris canyon 40 Soufriere Hills volcano 40 Greenland semiautonomous territory 40 Afar desert 40 Nares Strait separating 40 Peary caribou 40 Wadden Sea 40 Rigolet 40 harp seals 40 Cassin Ridge 40 Phanerozoic 39 Ordovician 39 shadowed craters 39 temperate forests 39 seamount 39 planets orbiting stars 39 Operation Narwhal 39 Hinchinbrook Island 39 Shiveluch eruption 39 equatorial 39 Noachian era 39 Opposes drilling 39 Torngat Mountains 39 bowhead whale 39 scarps 39 Comet Hale Bopp 39 Pliocene 39 Tawa hallae 39 Dungeness Spit 39 earth crust 39 Gusev Crater 39 Krafla 39 Saturn moon Enceladus 39 Inner Hebrides 39 Fin Whale 39 Amaruk property 39 constellation Hercules 39 penguin colony 39 Shinmoedake 39 WASP #b 39 coldest windiest 39 Anticosti 39 dinosaur footprints 39 magma ocean 39 uncharted wilderness 39 Icadyptes 39 Alpine glaciers 39 Eemian 39 Qaidam Basin 39 Chugach Range 39 Antarctic Dry Valleys 39 Ice Age glaciers 39 extinct mammal 39 interstellar cloud 39 hydrothermal vents 39 olivine crystals 39 phyllosilicates 39 long necked sauropod 39 celestial sphere 39 turbidites 39 mud volcanoes 39 Patagonian Ice 39 duckbilled dinosaur 39 Antarctic expedition 39 Himalayan river basins 39 subpolar 39 Galapagos Archipelago 39 fin whale 39 Premier Hans Enoksen 39 basalt rock 39 coccolithophores 39 uninhabited island 39 Aurora Australis 39 hominid fossil 39 Vostok Station 39 trilobites 39 asteroids orbiting 39 fossils dating 39 oceanographers 39 Opportunity rover 39 CoRoT satellite 39 Noctilucent clouds 39 HiRISE image 39 Arctic Barents Sea 39 Denisovan 39 Roland Burgmann 39 esker 39 icebergs drifting 39 Northumberland Strait 39 Toutatis 39 ° #'N 39 southernmost continent 39 GJ #b [002] 39 Giganotosaurus 39 Devonian Period 39 Antarctic fur seals 39 coastal temperate rainforest 39 glacial moraine 39 Qinling Mountains 39 abyssal plains 39 mammoths 39 Kokanee Glacier Provincial 39 Martian 39 Habomai islet group 39 Flemish Pass 39 Boar Tusk 39 meteor impacts 39 ponderosa pine forest 39 Alfred Wegener 39 beaver pond 39 windswept tundra 39 mammoth tusks 39 solar nebula 39 astronomer Clyde Tombaugh 39 Dusky Sound 39 landmass 39 NASA rovers Spirit 39 Paleocene 39 Routeburn Track 39 Longyearbyen 39 constellation Cetus 39 Capoose Project 39 Sedna 39 Alaska Aleutian chain 39 mastodon bones 39 Sakhalin Island 39 Midway Atoll 39 Asilisaurus 39 Hawaiian Volcano Observatory 39 Mesolithic