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Creator
- Food and Agriculture Organization of the United Nations 4
- United Nations Development Programme 4
Topic
- Hydrology 4
- Climate 2
- Irrigation 2
- Watersheds 2
- Agriculture 1
- Aquifers 1
- Dams 1
- Evaporation 1
- Evapotranspiration 1
- Geology 1
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Institution
- Oregon State University 4