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*LAKES
1
*MEASUREMENT
1
*NORTHWEST TERRITORIES
1
*NUNAVUT(CANADA)
1
*RIVERS
1
*SNOW
1
*SNOW MEASUREMENTS
1
*SURVEYS
1
*TUNDRA
1
ALASKA
1
BASE LINES
1
BRIGHTNESS
1
BRIGHTNESS TEMPERATURES
1
CORE SAMPLING
1
DENSITY
1
DEPTH
1
Equipment and Methods
1
GRAIN SIZE
1
GRAPHS
1
GREAT BEAR LAKE
1
Geography
1
ICE
1
ICE THICKNESS
1
INFRARED IMAGES
1
ION MEASUREMENTS
1
IONS
1
ISOTOPE MEASUREMENTS
1
ISOTOPES
1
Ice and Permafrost
1
LAYERS
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