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ARCTIC OCEAN
DISTRIBUTION
AIRBORNE
2
CHUKCHI SEA
2
(*AERIAL RECONNAISSANCE
1
(*OCEANOGRAPHY
1
(*SEA ICE
1
(*SEA WATER
1
*ENDANGERED SPECIES
1
*WHALES
1
AGB 1 VESSEL
1
ALASKA
1
AQUATIC ANIMALS
1
ARCTIC REGIONS)
1
AUTUMN
1
BEAUFORT SEA
1
BERING SEA
1
Biology
1
CHEMICAL PROPERTIES
1
COASTAL REGIONS
1
EAST SIBERIAN SEA
1
FREEZING
1
GREENLAND SEA
1
Ice and Permafrost
1
LAPTEV SEA
1
MAMMALS
1
MELTING
1
METEOROLOGICAL CHARTS
1
MIGRATION
1
OBSERVATION AIRCRAFT
1
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