Limit your search
Donor
- Naff, Thomas 532
- Kolars, John F. 9
Topic
- Hydrology 573
- Irrigation 163
- Groundwater 155
- Water quality 146
- Agriculture 120
- Technology 119
- Economics 113
- Watersheds 100
- Politics and government 98
- Demography 63
- more »
Rights
- In Copyright 573
Publisher
- Unesco 19
- Associates for Middle East Research 14
- United Nations 14
- United States. Government Printing Office 14
- Balkema-proceedings and monographs in engineering, water, and earth sciences 13
- United States. Joint Publications Research Service 13
- Geological Survey (U.S.). National Mapping Division 10
- International Water Resources Association 10
- Geological Survey (U.S.) 9
- Pergamon Press (Oxford, England) 9
- more »
Format
- application/pdf 572
- image/tiff 1