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Ice and Permafrost
Snow
5
THICKNESS
ALASKA
3
CANADA
3
LAKES
3
MEASUREMENT
3
*ARCTIC REGIONS
2
*ICE
2
*SEA ICE
2
ARCTIC REGIONS
2
ICE REPORTING
2
RIVERS
2
TABLES(DATA)
2
(*SEA ICE
1
*LAKES
1
*Lake ice
1
*NORTH AMERICA
1
*PROJECTILES
1
*RIVERS
1
*River ice
1
*SALINITY
1
*SUBARCTIC REGIONS
1
AIR DROP OPERATIONS
1
ANTISUBMARINE WARFARE
1
ARCTIC OCEAN
1
ARCTIC REGIONS)
1
Ammunition and Explosives
1
BEAUFORT SEA
1
BLUNT BODIES
1
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