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Creator
- Naff, Thomas 15
- Matson, Ruth C. 1
- Salāmah, Ilyās 1
Topic
- Politics and government 5
- Wadis 5
- Water quality 5
- Dams 4
- Hydrology 4
- Irrigation 4
- Rivers 4
- Technology 4
- Agriculture 3
- Aquifers 3
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Language
- English 15
Type
- Text 15