Topics
Economic aspects
Dams
13
Hydroelectric power plants
13
Research
8
Transportation
6
Access roads
5
Social aspects
5
Construction projects
4
Economic conditions
4
Economics
4
Human services
4
Public goods
4
Social conditions
4
Sociological aspects
4
Fishing
3
Air quality
1
Cost effectiveness
1
Outdoor recreation
1
Power utilization
1