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Ice and Permafrost
2
Snow
2
TRANSLATIONS
USSR
VEGETATION
2
*ECOLOGY
1
*ENVIRONMENTAL PROTECTION
1
*PERMAFROST
1
*SOIL MECHANICS
1
*SUBARCTIC REGIONS
1
AIR POLLUTION
1
ARCTIC REGIONS
1
CIVIL ENGINEERING
1
CREEP
1
DAMAGE
1
DEPLETION
1
ECOSYSTEMS
1
ENVIRONMENTAL ENGINEERING
1
EROSION
1
FORESTS
1
Human Factors Engineering & Man Machine System
1
NATURAL RESOURCES
1
PERMAFROST
1
PREVENTION
1
SIBERIA
1
SOILS
1
Soil Mechanics
1
TERRAIN
1
TUNDRA
1
Taiga
1
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