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*SEA ICE
Ice and Permafrost
5
Snow
5
ARCTIC OCEAN
4
CLIMATE
4
*ARCTIC REGIONS
3
ALASKA
2
COASTAL REGIONS
2
CONGRESS
2
CONTINENTAL SHELVES
2
GLOBAL
2
NATIONAL SECURITY
2
WATER
2
*ARCTIC OCEAN
1
*CLIMATE
1
*ENVIRONMENTAL PROTECTION
1
*Global climate change
1
*ICE MECHANICS
1
*OCEAN ENVIRONMENTS
1
*PERMAFROST
1
ANOMALIES
1
ARCTIC REGIONS
1
ARCTIC SEA ICE
1
BERING SEA
1
CANADA
1
CIRCULATION
1
CIVIL AFFAIRS
1
COMMERCIAL FISHING
1
CONTAINS BRIEFING CHARTS ONLY
1
CYCLES
1
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