Topics
Economic aspects
Social aspects
Hydroelectric power plants
18
Dams
14
Economic conditions
9
Social conditions
8
Research
7
Economics
5
Construction projects
4
Human services
4
Public goods
4
Sociological aspects
4
Economic forecasting
3
Forecasting
3
Population forecasting
3
Power utilization
3
Transportation
3
Aesthetic resources
2
Air quality
2
Air travel
2
Archaeological significance
2
Economic history
2
Planning
2
Recreational use
2
Regional economics
2
Wilderness areas
2
Business enterprises
1
Economic surveys
1
Household surveys
1
Households
1
Location
1
Mathematical models
1
Methodology
1
Outdoor recreation
1
Power-plants
1
Railroads
1