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Topic
- Precipitation (Meteorology) 11
- Agriculture 7
- Droughts 7
- Bureaucracy 5
- Irrigation 4
- Politics and government 3
- Water consumption 3
- Aswan High Dam (Egypt) 2
- Climate 2
- Demography 2
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Publisher
- United States. Joint Publications Research Service 11
Decade
- 1980-1989 11