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(*ARCTIC REGIONS
1
(*CLIMATE
1
(*ICE
1
*NORTHERN HEMISPHERE)
1
AIR
1
ALASKA
1
ARCTIC REGIONS
1
CANADA
1
Cartography and Aerial Photography
1
Hydrology
1
ICE)
1
Ice and Permafrost
1
LAKES
1
Limnology and Potamology
1
MAPPING
1
MAPS
1
MEASUREMENT
1
Meteorology
1
NETWORKS
1
PERMAFROST
1
REMOTE AREAS
1
RIVERS
1
SEA ICE
1
SNOW
1
Snow
1
TABLES(DATA)
1
TEMPERATURE
1
THICKNESS)
1
WEATHER STATIONS
1
WINTER
1
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