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Ice and Permafrost
SURFACE PROPERTIES
Snow
4
MAINTENANCE
3
*ROADS
2
*SNOW
2
ANTARCTIC REGIONS
2
Civil Engineering
2
ICE
2
STATIONS
2
SUMMER
2
TEMPERATURE
2
(*SNOW
1
*ANTARCTIC REGIONS
1
*BEARING STRENGTH
1
*DRAINAGE
1
*LAND ICE
1
*PIERS
1
*RUNWAYS
1
*SEA ICE
1
*SNOW ROADS
1
ADDITIVES
1
AGGREGATES(MATERIALS)
1
AIR TRAFFIC
1
BASE LINES
1
BLOWERS
1
BUILDINGS
1
C-141 AIRCRAFT
1
CALIFORNIA BEARING RATIO
1
COASTAL REGIONS
1
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