Topics
Economic aspects
Hydroelectric power plants
28
Dams
16
Social aspects
14
Forecasting
10
Economic conditions
9
Electric power consumption
5
Planning
5
Business enterprises
4
Economic forecasting
4
Economic surveys
4
Population forecasting
4
Social conditions
4
Appropriations and expenditures
3
Electric power
3
Electric power production
3
Power utilization
3
Prices
3
Research
3
Transportation
3
Aesthetic resources
2
Air travel
2
Archaeological significance
2
Costs
2
Design and construction
2
Economic history
2
Electric power transmission
2
Electric utilities
2
Interconnected electric utility systems
2
Mathematical models
2
Recreational use
2
Regional economics
2
Wilderness areas
2
Access roads
1
Bus travel
1
Economics
1
Estimates
1
Expenditures, Public
1
Finance
1
Highway planning
1
Household surveys
1
Households
1
Methodology
1
Roads
1
Route surveying
1