Topics
Economic aspects
Hydroelectric power plants
25
Dams
14
Social aspects
13
Economic conditions
9
Forecasting
9
Planning
5
Business enterprises
4
Economic forecasting
4
Economic surveys
4
Electric power consumption
4
Population forecasting
4
Social conditions
4
Appropriations and expenditures
3
Electric power production
3
Transportation
3
Aesthetic resources
2
Air travel
2
Archaeological significance
2
Costs
2
Economic history
2
Electric power
2
Electric power transmission
2
Electric utilities
2
Interconnected electric utility systems
2
Mathematical models
2
Power utilization
2
Prices
2
Recreational use
2
Regional economics
2
Research
2
Wilderness areas
2
Access roads
1
Bus travel
1
Design and construction
1
Economics
1
Estimates
1
Expenditures, Public
1
Finance
1
Highway planning
1
Household surveys
1
Households
1
Roads
1
Route surveying
1