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Measurement
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Airplanes
2
Glaciers
2
Logan
2
Mountains
2
Radar
2
Research
2
Research stations
2
Topography
2
Weather stations
2
Yukon
2
Aerial photography
1
Alaska
1
Alaska/British Columbia/Yukon
1
Alaska/Yukon
1
Albedo
1
Animal population
1
Arctic Institute of North America. High Altitude Physiology Study
1
Arctic Institute of North America. Icefield Ranges Research Project
1
Arctic Institute of North America. Project Snow Cornice
1
Atmospheric circulation
1
Atmospheric temperature
1
Cold physiology
1
Cores
1
Density
1
Design and construction
1
Effects of altitude
1
Equipment and supplies
1
Erosion
1
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