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ALASKA
Ice and Permafrost
4
Snow
4
ICE
3
*PERMAFROST
2
DEPTH
2
SEDIMENTS
2
WATER
2
*CORE SAMPLING
1
*ENVIRONMENTAL IMPACT
1
*GLACIERS
1
*HYDROLOGY
1
*RIVERS
1
*SEDIMENT TRANSPORT
1
*SEDIMENTOLOGY
1
*UNDERICE
1
AST24
1
AUGERS
1
BRAIDS
1
CONSTRUCTION
1
CORES
1
COVERINGS
1
CROSS SECTIONS
1
CUTTING
1
Camps
1
DEBRIS
1
DEGRADATION
1
DIAMETERS
1
DRAINAGE
1
DRILLING
1
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