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Topic
- Agriculture 25
- Irrigation 17
- Groundwater 7
- Watersheds 7
- Politics and government 6
- Precipitation (Meteorology) 6
- Climate 5
- Economics 5
- Bureaucracy 4
- Dams 4
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Water Basin
- Tigris River >> Basra Governorate >> Iraq 25
- Euphrates River >> Basra Governorate >> Iraq 22
- Orontes River >> Lebanon 3
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Rights
- In Copyright 25
Publisher
- United States. Joint Publications Research Service 6
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- International Commission on Irrigation and Drainage 2
- Middle East Institute (Washington, D.C.) 2
- American University (Washington, D.C.) 1
- Christian Science Publishing Society 1
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Decade
- 1970-1979 25