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54 Environmental Sciences
2
Alaska
2
Document Types
Ecosystems
2
North America
2
Progress Report
2
Surface Waters
Terrestrial-- Site Resource & Use Studies-- (1990-)
2
540250 -- Environment
1
58 Geosciences
1
580000 -- Geosciences
1
Arctic Ocean
1
Arctic Regions
1
Atmospheric Precipitations
1
Bays
1
Beaufort Sea
1
Chemistry
1
Complex Terrain
1
Construction
1
Data Base Management
1
Developed Countries
1
Dusts
1
Ecology
1
Energy Balance
1
Energy Transfer
1
Environmental Impacts
1
Environmental Transport
1
Evaporation
1
Federal Region X
1
Geochemistry
1
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