00624cam a2200169 i 4500 628/.72 MOR More water for arid lands : Washington : National Academy of Sciences, 1974. vii, 153 p. ; Introduction and summary in English, Arabic, French, and Spanish. "Prepared ... for the Office of Science and Technology, Bureau for Technical Assistance, Agency for International Development, Washington, D.C." Water-supply. Water conservation. Water-supply, Agricultural. Arid regions. BK 1356 1356 0 0 0 NFIC IC IC GEN 2015-06-25 0 628/.72 MOR 002694 2022-11-17 00:00:00 2015-06-25 BK 0 0 0 NFIC IC IC GEN 2015-06-25 0 628/.72 MOR 002695 2022-11-17 00:00:00 2015-06-25 BK