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Donor
- Naff, Thomas 9
Topic
- Agriculture 3
- Groundwater 3
- Watersheds 3
- Aquifers 2
- Dams 2
- Ecology 2
- Groundwater recharge 2
- Hydrology 2
- Irrigation 2
- Silt 2
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Publisher
- Pergamon Press (Oxford, England) 9
Repository
- Oregon State University. Libraries 9