Topics
Economic aspects
8
Hydroelectric power plants
8
Dams
5
Economic conditions
3
Electric power
3
Electric power consumption
3
Forecasting
3
Prices
3
Appropriations and expenditures
2
Design and construction
2
Economic history
2
Regional economics
2
Social aspects
2
Social conditions
2
Access roads
1
Estimates
1
Expenditures, Public
1
Finance
1
Highway planning
1
Mathematical models
1
Planning
1
Roads
1
Route surveying
1
Transportation
1