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(*AERIAL RECONNAISSANCE
3
(*SEA ICE
3
ARCTIC OCEAN
3
ARCTIC REGIONS)
Ice and Permafrost
3
MELTING
SEA ICE)
3
Snow
3
THICKNESS
3
ALASKA
2
DENMARK
2
FREEZING
2
GREENLAND SEA
2
ICE ISLANDS
2
STRAITS
2
*BIRDS EYE PROJECT
1
AERIAL PHOTOGRAPHS
1
AIRBORNE
1
BANKS ISLAND
1
BIRDS EYE 5 1969 PROJECT
1
CANADA
1
CHUKCHI SEA
1
CRACKS
1
DELTAS
1
DISTRIBUTION
1
FLETCHER'S ICE ISLAND
1
FLIGHT PATHS
1
GREENLAND
1
MACKENZIE RIVER
1
METEOROLOGICAL CHARTS
1
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