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CONSTRUCTION
Ice and Permafrost
3
Snow
3
Terminal Flight Facilities
MAINTENANCE
2
TRAFFICABILITY
2
TRANSPORT AIRCRAFT
2
(*ROADS
1
(*RUNWAYS
1
(*SNOW
1
*AIRPORTS
1
*ANTARCTIC REGIONS
1
*ICE
1
*LANDING FIELDS
1
*RUNWAYS
1
*SNOW
1
*TRANSPORT AIRCRAFT
1
AERIAL PHOTOGRAPHS
1
AGE HARDENING
1
AIRCRAFT
1
ANTARCTIC REGIONS
1
ANTARCTIC REGIONS)
1
C-121 AIRCRAFT
1
C-130 AIRCRAFT
1
CAPTIVE TESTS
1
COLD REGIONS
1
COLD WEATHER TESTS
1
COMPRESSIVE PROPERTIES
1
COSTS
1
FEASIBILITY STUDIES
1
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