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O'Rourke, Ronald
3
Bilello,Michael A.
2
Freeman, R. F.
2
Jerdon, H. P.
2
Bickel, J. E.
1
Bilello,M. A.
1
Boeger, A. C.
1
Dingman,S. Lawrence
1
Fett, Robert W
1
Fett, Robert W.
1
Freeman,R. F.
1
Haggerty, J. J., III
1
Hepner, T.
1
Heumann,Jeanette M
1
Kays,Marvin D.
1
Kozo, Thomas L
1
Mitchell,Peter A
1
Morris,James E.
1
Perryman, Dennis C.
1
Rankin,R. D.
1
Sechrist, Frank S.
1
Sexton,G. S.
1
Tyree,D. M.
1
Van Allen,L. C.
1
Veghte,James H.
1
Warnke,James A
1
Washburne, Norman F.
1
Yerg, Donald G.
1
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ALASKA
GREENLAND
17
CANADA
13
Ice and Permafrost
11
Snow
11
*ARCTIC REGIONS
10
ARCTIC OCEAN
8
Meteorology
8
MELTING
6
FREEZING
5
POLAR REGIONS
5
ARCTIC REGIONS)
4
GREENLAND SEA
4
ICE ISLANDS
4
MINERALS
4
SEA ICE
4
SEASONAL VARIATIONS
4
THICKNESS
4
USSR
4
(*AERIAL RECONNAISSANCE
3
(*ICE
3
(*SEA ICE
3
*SEA ICE
3
*WEATHER FORECASTING
3
AERIAL RECONNAISSANCE
3
ARCTIC REGIONS
3
CHUKCHI SEA
3
CLIMATE
3
CONTINENTAL SHELVES
3
DENMARK
3
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Arctic
Greenland
Canada
14
Arctic Ocean
12
Norway
5
Baffin Bay
3
Chukchi Sea
3
Antarctic
2
Barents Sea
2
East Siberian Sea
2
Norwegian Sea
2
Bering Sea
1
Ellesmere Island
1
Fairbanks
1
Ice Lakes
1
Kara Sea
1
Laptev Sea
1
Northwest Passage
1
Northwest Territories
1
Okhotsk
1
Parry
1
The Antarctic
1
Thule Air Base
1
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Alaska
23
Arctic
23
Greenland
23
Arctic Ocean
12
Ice
12
permafrost
12
Sea ice
11
Arctic Basin
5
Greenland Sea
5
Subarctic
4
Baffin
3
Baffin Bay
3
Beaufort Sea
3
Chukchi
3
Chukchi Sea
3
Climate change
3
Iceland
3
Lomonosov Ridge
3
Antarc*
2
Antarctic
2
Barents Sea
2
Davis Strait
2
East Greenland
2
East Siberian Sea
2
Norwegian Sea
2
Thule
2
glacier*
2
glaciers
2
ice pack
2
Antarctic Krill
1
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