Topics
Dams
22
Social aspects
22
Hydroelectric power plants
21
Economic aspects
14
Research
8
Social conditions
7
Economic conditions
6
Recreational use
6
Construction projects
5
Economics
5
Archaeological significance
4
Human services
4
Public goods
4
Recreational surveys
4
River surveys
4
Rivers
4
Sociological aspects
4
Economic forecasting
3
Forecasting
3
Methodology
3
Population forecasting
3
Power utilization
3
Aesthetic resources
2
Antiquities
2
Archaeological surveying
2
Archaeology
2
Cultural property
2
Evaluation
2
Historic sites
2
Indians of North America
2
Transportation
2
Wilderness areas
2
Access roads
1
Air quality
1
Business enterprises
1
Economic surveys
1
Environmental aspects
1
Household surveys
1
Households
1
Planning
1
Public opinion
1
Wetlands
1