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GLACIERS
2
Ice and Permafrost
2
Snow
2
TRANSLATIONS
USSR
2
(*ICE
1
*ARCTIC REGIONS
1
*ICE
1
AIRBORNE
1
ALTITUDE
1
ANTARCTIC REGIONS)
1
CLIMATE
1
CRYSTALLIZATION
1
ECHO RANGING
1
FOREIGN REPORTS
1
GEODESICS
1
Geodesy
1
Geography
1
ICE ISLANDS
1
MAPPING
1
MAPS
1
MARINE BIOLOGY
1
MEASUREMENT
1
METEOROLOGICAL INSTRUMENTS
1
METEOROLOGY
1
MOUNTAINS
1
PERMAFROST
1
PHASE STUDIES
1
SEA WATER
1
SEISMIC WAVES
1
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