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Topic
- Agriculture 3
- Bureaucracy 3
- Reclamation of land 3
- Dams 1
- Demography 1
- Deserts 1
- Finance 1
- Irrigation 1
- Khabur River (Turkey and Syria) 1
- Salinity 1
- Water quality 1
- Water--Storage 1
- Water-supply 1
- Watersheds 1
