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ICE ISLANDS
3
Ice and Permafrost
3
SEA ICE
Snow
3
THICKNESS
3
DIURNAL VARIATIONS
2
FLIGHT PATHS
2
FREEZING
2
MAPS
2
MELTING
2
POLAR REGIONS
2
(*ARCTIC REGIONS
1
(*ICE
1
*ARCTIC OCEAN
1
*ARCTIC REGIONS
1
*ICE FORECASTING
1
*WEATHER FORECASTING
1
AERIAL RECONNAISSANCE
1
AERIAL RECONNAISSANCE)
1
ALASKA
1
AN/AMQ-17
1
ARCTIC OCEAN
1
BAFFIN ISLAND
1
BAYS
1
BIRDS EYE 8 1969 PROJECT
1
BIRDS EYE PROJECT
1
C-121 AIRCRAFT
1
COASTAL REGIONS
1
CRACKS
1
DATA ACQUISITION
1
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