Topics
Research
54
Dams
26
Hydroelectric power plants
24
Environmental aspects
14
Fishes
11
Power utilization
10
Economic aspects
8
Water quality
7
Animals
6
Freshwater habitats
5
Effect of dams on
4
Geology
4
Bioaccumulation
3
Congresses
3
Fishing
3
Food
3
Habitat (Ecology)
3
Instream flow
3
Mercury
3
Mercury content
3
Minerals
3
River sediments
3
Social aspects
3
Soils
3
Subsistence economy
3
Transportation
3
White whale
3
Access roads
2
Air quality
2
Archaeological significance
2
Construction projects
2
Counting
2
Economic conditions
2
Economics
2
Fish surveys
2
Habitat
2
Human services
2
Migration
2
Public goods
2
Public opinion
2
Social conditions
2
Sociological aspects
2
Alaska Native allotments
1
Alaska Native corporations
1
Alaska Natives
1
Antiquities
1
Appropriations and expenditures
1
Aquatic habitats
1
Aquatic resources
1
Archaeological surveying
1
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