Topics
Economic conditions
Economic aspects
10
Dams
8
Hydroelectric power plants
8
Construction projects
4
Economics
4
Human services
4
Power utilization
4
Public goods
4
Research
4
Social aspects
4
Social conditions
4
Sociological aspects
4
Economic forecasting
3
Electric power
2
Offshore oil industry
2
Oil and gas leases
2
Petroleum in submerged lands
2
Petroleum industry and trade
2
Population forecasting
2
Economic history
1
Fishing surveys
1
Household surveys
1
Hunting and gathering societies
1
Hunting surveys
1
Subsistence economy
1
Wild plants, Edible
1