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BEAUFORT SEA
3
CONTINENTAL SHELVES
3
PERMAFROST
3
*OFFSHORE DRILLING
2
CORE SAMPLING
2
Ice and Permafrost
2
OCEAN BOTTOM
2
Physical and Dynamic Oceanography
2
Prudhoe Bay
2
SEDIMENTS
2
Snow
2
*ARCTIC REGIONS
1
*CORE SAMPLING
1
CHUKCHI SEA
1
Mining Engineering
1
OFFSHORE DRILLING
1
PENETROMETERS
1
SAMPLING
1
SEA ICE
1
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