Topics
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25
Power utilization
Hydroelectric power plants
22
Dams
18
Water-power
9
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6
Research
5
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3
Environmental aspects
3
Estimates
2
Fishery resources
2
Habitat (Ecology)
2
Hydrology
2
Water resources development
2
Ecology
1
Electric power consumption
1
Energy development
1
Environmental conditions
1
Environmental impact statements
1
Forecasting
1
Technical writing
1