Topics
Economic conditions
4
Economic aspects
3
Economic forecasting
3
Offshore oil industry
3
Petroleum in submerged lands
3
Continental shelf
2
Oil and gas leases
2
Petroleum industry and trade
2
Population forecasting
2
Economic history
1
Finance, Public
1
Hydroelectric power plants
1
Investment of public funds
1
Natural resources
1
Natural resources surveys
1
Outdoor recreation
1
Public opinion
1
Recreational surveys
1
Social aspects
1