Topics
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Freshwater habitats
5
Fur-bearing animals
2
Government policy
1
Gravity dams
1
Habitat
13
Habitat (Ecology)
2
Highway planning
7
Hydroelectric power plants
94
Hydrologic models
2
Hydrology
4
Ice mechanics
2
Ice on rivers, lakes, etc
2
Infancy
1
Instream flow
3
Land use
2
Licenses
5
Mammal populations
1
Mammals
4
Mathematical models
2
Methodology
3
Migration
6
Monitoring
2
Moose
4
Natural resources surveys
1
Navigation
1
Nitrogen content
1
Overhead electric lines
2
Pacific salmon
6
Pacific salmon fisheries
1
Planning
26
Power utilization
23
Public opinion
5
Railroad tracks
1
Regional economics
1
Research
5
Reservoir drawdown
1
Reservoirs
2
Roads
5
Route surveying
2
Social aspects
2
Social conditions
2
Stream measurements
9
Streamflow
6
Telephone surveys
1
Temperature
2
Testing
1
Thermal pollution of rivers, lakes, etc
2
Transportation
5
Turbidity
1
Valves
1
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