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(*SEA ICE
2
ARCTIC OCEAN
2
DISTRIBUTION
2
ICE ISLANDS
2
Ice and Permafrost
2
OCEANOGRAPHIC DATA
2
Snow
2
TABLES(DATA)
2
THICKNESS
2
(*AERIAL RECONNAISSANCE
1
(*ARCTIC REGIONS
1
(*ICE
1
*ARCTIC OCEAN)
1
AERIAL RECONNAISSANCE
1
AERIAL RECONNAISSANCE)
1
AIRBORNE
1
ALASKA
1
ARCTIC REGIONS)
1
AREA COVERAGE
1
BIRDS EYE MISSIONS(POLAR RESEARCH FLIGHTS)
1
BIRDS EYE PROJECT
1
C-121 AIRCRAFT
1
CHUKCHI SEA
1
COASTAL REGIONS
1
DIURNAL VARIATIONS
1
FLIGHT PATHS
1
FREEZING
1
GREENLAND
1
GREENLAND SEA
1
ICE)
1
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