Topics
Dams
18
Economic aspects
18
Hydroelectric power plants
18
Research
10
Economic conditions
8
Access roads
5
Power utilization
5
Transportation
5
Construction projects
4
Economics
4
Fishing
4
Human services
4
Public goods
4
Social aspects
4
Social conditions
4
Sociological aspects
4
Electric power
2
Cost effectiveness
1
Economic forecasting
1