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Creator
- Naff, Thomas 21
- Matson, Ruth C. 1
- Salāmah, Ilyās 1
Topic
- Politics and government 8
- Wadis 7
- Water quality 6
- Dams 5
- Hydrology 5
- Irrigation 5
- Rivers 5
- Technology 5
- Groundwater 4
- Agriculture 3
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Language
- English 21
Type
- Text 21