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Donor
- Naff, Thomas 16
Topic
- Runoff 16
- Irrigation 8
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- Agriculture 5
- Precipitation (Meteorology) 5
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- Technology 3
- Water quality 3
- Watersheds 3
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Publisher
- Great Britain. Crown Agents for the Colonies 2
- Pergamon Press (Oxford, England) 2
- Arab Centre for the Studies of Arid Zones and Dry Lands 1
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- International Association of Hydrological Sciences 1
- Netherlands. Ministerie van Buitenlandse Zaken 1
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- University of Durham. Department of Geography 1
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