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Ice and Permafrost
2
Snow
2
TRANSLATIONS
2
USSR
2
(*ICE
1
*ANTARCTIC REGIONS
1
*DRILLING
1
*GLACIERS
1
*Thermal drilling
1
AIRBORNE
1
ALTITUDE
1
ANTARCTIC REGIONS)
1
BOREHOLES
1
CLASSIFICATION
1
DRILLING MACHINES
1
DRILLS
1
ECHO RANGING
1
GEODESICS
1
GLACIERS
1
Geodesy
1
ICE PENETRATION
1
Ice drills
1
MAPPING
1
MAPS
1
MEASUREMENT
1
METEOROLOGICAL INSTRUMENTS
1
MOUNTAINS
1
NUMERICAL ANALYSIS
1
SEISMIC WAVES
1
SURFACE PROPERTIES
1
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