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Animals
7
Mammals
5
Atmospheric Circulation—North America
2
Birds
2
Climatology
2
Muskox
2
Plants
2
Polar bear
2
Tundra swan
2
Whistling swan
2
Wild flowers
2
Air--Pollution--North America
1
Air—Pollution—North America
1
America
1
Arctic raspberry
1
Canada
1
Coarse woody debris--Wisconsin
1
Crayfish snakes
1
Driftless Area--Wisconsin
1
Export production
1
Flags
1
Fluvial geomorphology
1
Foraminiferal Colonization
1
Geochemistry
1
Greenland
1
Mexico
1
North
1
Oceania
1
Owls
1
Pedicularis
1
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