Topics
Hydroelectric power plants
154
Dams
126
Planning
89
Economic aspects
77
Design and construction
55
Economic conditions
51
Power utilization
47
Estimates
35
Research
35
Forecasting
24
Costs
23
Social aspects
23
Water-power
23
Economic forecasting
21
Electric power production
21
Environmental aspects
17
Petroleum industry and trade
17
Population forecasting
16
Electric power
14
Electric power consumption
13
Offshore oil industry
13
Petroleum in submerged lands
13
Transportation
13
Licenses
12
Social conditions
12
Subsistence economy
12
Economic history
9
Electric power transmission
9
Access roads
8
Economic surveys
8
Natural resources
8
Appropriations and expenditures
7
Continental shelf
7
Coal trade
6
Electric lines
6
Electric utilities
6
Habitat
6
Household surveys
6
Oil and gas leases
6
Sociological aspects
6
Business enterprises
5
Economics
5
Energy development
5
Land use
5
Mathematical models
5
Prices
5
Water resources development
5
Coal
4
Coal-fired power plants
4
Construction projects
4
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