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Beringia
Yukon
Ice Sheet
3
Alaska
2
Arctic
2
Beaufort Sea
2
Siberia
2
Tundra
2
permafrost
2
Arctic Ocean
1
Bering Land Bridge
1
Climate change
1
Greenland
1
Herschel
1
Herschel Island
1
Ice
1
Ice cap
1
Mackenzie river
1
North Atlantic
1
Northwest Territories
1
Thermokarst
1
Tuktoyaktuk
1
alaska range
1
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