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(*ROADS
2
(*SNOW
Ice and Permafrost
SNOW)
2
Snow
2
(*RUNWAYS
1
AGE HARDENING
1
ANTARCTIC REGIONS)
1
ARCTIC REGIONS
1
C-121 AIRCRAFT
1
C-130 AIRCRAFT
1
CAPTIVE TESTS
1
COLD WEATHER TESTS
1
COMPRESSIVE PROPERTIES
1
CONSTRUCTION
1
DEFORMATION
1
DENSITY
1
FEASIBILITY STUDIES
1
FLEXURAL STRENGTH
1
FOUNDATIONS(STRUCTURES)
1
ICE)
1
LANDING FIELDS
1
LOADS(FORCES))
1
MELTING
1
Mechanics
1
PARTICLE SIZE
1
PAVEMENTS
1
ROAD BUILDING EQUIPMENT
1
SAMPLING
1
TENSILE PROPERTIES
1
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