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(*SEA ICE
2
Ice and Permafrost
2
Snow
2
THICKNESS
(*SNOW
1
*ANTARCTIC REGIONS)
1
ACCURACY
1
ANTARCTIC REGIONS)
1
CLIMATE
1
Civil Engineering
1
DETERIORATION
1
DRIFT
1
DRILLING
1
GLACIERS
1
LANDING FIELDS
1
MAINTENANCE
1
MCMURDO SOUND
1
MCMURDO STATION(ANTARCTICA)
1
PERIODIC VARIATIONS
1
PREDICTIONS
1
REMOTE AREAS
1
ROADS
1
SAFETY
1
TEMPERATURE
1
TERRAIN
1
TRAFFICABILITY)
1
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