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(*SEA ICE
2
ARCTIC REGIONS
2
FREEZING
SEA ICE)
2
TABLES(DATA)
2
(*AERIAL RECONNAISSANCE
1
(*OCEANOGRAPHIC DATA
1
*ARCTIC OCEAN)
1
AERIAL PHOTOGRAPHY
1
ARCTIC OCEAN ISLANDS
1
ARCTIC OCEAN)
1
BIRDS EYE MISSIONS(POLAR RESEARCH FLIGHTS)
1
CHUKCHI SEA
1
CLOUD COVER
1
CRACKS
1
FLIGHT PATHS
1
GREENLAND SEA
1
ICE FOG
1
ICE ISLANDS
1
Ice and Permafrost
1
MAPS
1
METEOROLOGICAL RADAR
1
NAVAL RESEARCH
1
OBSERVATION AIRCRAFT
1
PERIODIC VARIATIONS
1
POLAR REGIONS
1
Physical and Dynamic Oceanography
1
SNOW
1
SURFACE PROPERTIES
1
Snow
1
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