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Creator
- Howard Humphreys & Sons 4
Donor
- Naff, Thomas 4
Topic
- Groundwater 4
- Hydrology 2
- Watersheds 2
- Agriculture 1
- Demography 1
- Finance 1
- Precipitation (Meteorology) 1
- Recycling 1
- Wadis 1
- Water balance (Hydrology) 1
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Water Basin
- Jordan River >> Israel 4
Collection
- The Middle East Water Collection 4