Topics
Dams
Hydroelectric power plants
7
Research
Environmental aspects
4
Aesthetic resources
2
Archaeological significance
2
Economic aspects
2
Power utilization
2
Recreational use
2
Social aspects
2
Wilderness areas
2
Appropriations and expenditures
1
Big game animals
1
Contracts
1
Design and construction
1
Effect of dams on
1
Energy consumption
1
Fishes
1
Fur-bearing animals
1
Mammals
1
Planning
1
Wildlife resources
1