Topics
Hydroelectric power plants
32
Dams
30
Environmental aspects
24
Access roads
10
Effect of dams on
10
Highway planning
9
Planning
9
Habitat
8
Social aspects
7
Research
6
Transportation
6
Caribou
5
Migration
5
Archaeological significance
4
Methodology
4
Power utilization
4
Public opinion
4
Roads
4
Design and construction
3
Economic aspects
3
Moose
3
Railroad tracks
3
Recreational use
3
Aesthetic resources
2
Antiquities
2
Archaeological surveying
2
Archaeology
2
Cultural property
2
Evaluation
2
Fishes
2
Freshwater habitats
2
Historic sites
2
Indians of North America
2
Overhead electric lines
2
Wilderness areas
2
Animals
1
Big game hunting
1
Browse (Animal food)
1
Construction projects
1
Estimates
1
Food
1
Habitat surveys
1
Labor costs
1
Land use
1
Natural resources
1
Natural resources surveys
1
Outdoor recreation
1
Plant ecology
1
Rare plants
1
Recreational surveys
1
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