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- Aswan High Dam (Egypt) 8
- Dams 6
- Building 4
- Soviet Union 4
- Agriculture 3
- Irrigation 3
- Politics and government 3
- Technology 3
- Watersheds 3
- Barrages 2
- Canals 2
- Demography 2
- Groundwater 2
- Water consumption 2
- Birth control 1
- Bureaucracy 1
- Droughts 1
- Economics 1
- Erosion 1
- Flood control 1
