Topics
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History
2
Natural resources surveys
2
Recreational use
2
Riparian ecology
2
Streamflow
2
Telephone surveys
2
Water use
2
Wilderness areas
2
Wildlife research
2
Access roads
1
Air quality
1
Analysis
1
Appropriations and expenditures
1
Aquatic organisms
1
Armed Forces
1
Benthic animals
1
Biotic communities
1
Caribou
1
Citizen participation
1
Computer simulation
1
Contracts
1
Cost effectiveness
1
Earthquake hazard analysis
1
Ecology
1
Economic forecasting
1
Effect of dams
1
Effect of hydroelectric power plants on
1
Electric utilities
1
Electrification
1
Energy development
1
Environmental impact analysis
1
Fiscal policy
1
Fish communities
1
Fluvial geomorphology
1
Food chains (Ecology)
1
Fossils
1
Freshwater animals
1
Freshwater productivity
1
Geographic information systems
1
Geomorphology
1
Highway planning
1
Hydraulics
1
Invasive plants
1
Land use
1
Law and legislation
1
Mammals
1
Maps
1
Modification
1
Navigation
1
Power-plants
1
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