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ANTARCTIC REGIONS
5
USSR
ALASKA
4
ARCTIC REGIONS
3
Ice and Permafrost
3
Information Science
3
MECHANICAL PROPERTIES
3
SYMPOSIA
3
Snow
3
(*ICE
2
(*PERMAFROST
2
(*SNOW
2
*ABSTRACTS)
2
*BIBLIOGRAPHIES)
2
CANADA
2
CONSTRUCTION
2
FREEZING
2
FRICTION
2
FROST HEAVE
2
GEOLOGY
2
GLACIERS
2
ROADS
2
SCIENTIFIC RESEARCH)
2
SEA ICE
2
SOILS
2
UNITED STATES
2
(*COAST GUARD RESEARCH
1
(*TRANSPORTATION
1
*ANADROMOUS FISHES
1
*ENDANGERED SPECIES
1
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