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Ice and Permafrost
Snow
2
*ALASKA
1
*ARCTIC REGIONS
1
*ICE
1
*LAKES
1
*NORTH AMERICA
1
ALASKA
1
CANADA
1
CLASSIFICATION
1
COASTAL REGIONS
1
ERTS-1 SATELLITE
1
GREENLAND
1
Hydrology
1
ICE
1
ICE COVER
1
LAKE ICE
1
LAKES
1
Limnology and Potamology
1
MAPS
1
MEASUREMENT
1
MOST PROJECT-2
1
MULTIBAND SPECTRAL RECONNAISSANCE
1
Meteorology
1
PERMAFROST
1
POLAR REGIONS
1
REMOTE SENSING
1
REPORTS
1
SEA ICE
1
SPACEBORNE PHOTOGRAPHY
1
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