Limit your search
Topic
- Groundwater 98
- Irrigation 40
- Agriculture 29
- Hydrology 26
- Watersheds 23
- Technology 22
- Aquifers 18
- Water quality 18
- Economics 14
- Politics and government 14
- more »
Publisher
- United States. Joint Publications Research Service 12
- Middle East Economic Digest Ltd. 4
- Pergamon Press (Oxford, England) 4
- United Nations 4
- Unesco 3
- United Nations Development Programme 3
- United States. Government Printing Office 3
- World Bank 3
- IPC Magazines, Ltd. 2
- American Society of Civil Engineers 1
- more »
Collection
- The Middle East Water Collection 98