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(*AERIAL RECONNAISSANCE
2
(*SEA ICE
ICE ISLANDS
2
Ice and Permafrost
2
MELTING
2
SEA ICE)
Snow
2
AERIAL PHOTOGRAPHY
1
ALASKA
1
ARCTIC OCEAN
1
ARCTIC OCEAN)
1
ARCTIC REGIONS)
1
BAFFIN BAY
1
BANKS ISLAND
1
BIRDS EYE 4 1969 PROJECT
1
BIRDS EYE 5 1969 PROJECT
1
CANADA
1
CEILING
1
CRACKS
1
DELTAS
1
DENMARK
1
FLIGHT PATHS
1
FREEZING
1
GREENLAND
1
GREENLAND SEA
1
MACKENZIE RIVER
1
Meteorology
1
NAVAL AIRCRAFT
1
OBSERVATION AIRCRAFT
1
PARRY CHANNEL
1
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