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02 Petroleum
1
020900 -- Petroleum-- Environmental Aspects
1
510100 -- Environment
1
510500 -- Environment
1
520200 -- Environment
1
520500 -- Environment
1
54 Environmental Sciences
1
Alaska
1
Animals
Aquatic-- Basic Studies-- (-1989)
1
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
1
Aquatic-- Site Resource & Use Studies-- (-1989)
1
Baseline Ecology
1
Bering Sea
1
Birds
1
Coastal Regions
1
Data
1
Data Forms
1
Ecology
1
Environmental Effects
1
Estuaries
1
Experimental Data
1
Habitat
1
Information
1
Isolated Values
1
Migration
1
North America
1
Numerical Data
1
Oil Spills
1
Pacific Northwest Region
1
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