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ANTARCTIC REGIONS)
2
BYRD STATION
DRILLING
2
Ice and Permafrost
Snow
2
(*GEOLOGIC AGE DETERMINATION
1
(*ICE
1
(*SNOW
1
ATMOSPHERIC TEMPERATURE
1
CARBON DIOXIDE
1
COLD WEATHER TESTS
1
DENSITY
1
DRILLS
1
FREEZING
1
HOISTS
1
ICE
1
ICE CORES
1
ICE ISLANDS
1
ICE SHEETS
1
ICE)
1
PENETRATION
1
PERIODIC VARIATIONS
1
POLAR REGIONS
1
STRATIGRAPHY
1
SURFACE TEMPERATURE
1
TEMPERATURE
1
THICKNESS
1
VOLUME
1
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