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(*ICE
(*SNOW
3
ALASKA
3
ANTARCTIC REGIONS
3
FREEZING
3
GLACIERS
3
Ice and Permafrost
3
Information Science
3
Snow
(*PERMAFROST
2
*ABSTRACTS)
2
*BIBLIOGRAPHIES)
2
ARCTIC REGIONS
2
CONSTRUCTION
2
FRICTION
2
FROST HEAVE
2
GEOLOGY
2
MECHANICAL PROPERTIES
2
ROADS
2
SCIENTIFIC RESEARCH)
2
SOILS
2
USSR
2
ABSTRACTS
1
AGRICULTURE
1
ARCTIC REGIONS)
1
ARTIFICIAL PRECIPITATION
1
BIBLIOGRAPHIES)
1
CANADA
1
COLD WEATHER TESTS
1
COMPRESSIVE PROPERTIES
1
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