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CRYOSPHERE
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EARTH SCIENCE
GEOSCIENTIFIC INFORMATION
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GLACIERS
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IPY
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RADAR IMAGERY
SPECTRAL/ENGINEERING
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glaciology
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ACCUMULATION
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Discovery Lakes
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ELEVATION
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GLACIER ELEVATION/ICE SHEET ELEVATION
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GPR
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LAND SURFACE
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NO-US-TRAVERSE
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TERRESTRIAL HYDROSPHERE
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Traverse
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terrestrial
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topography
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