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Filters: Keyword is water sources and Author is Nissen-Petersen, E. [Clear All Filters]
«Water from dry riverbeds : how dry and sandy riverbeds can be turned into water sources by hand-dug wells, subsurface dams, weirs and sand dams», vol. no. 3. Asal Consultants, Nairobi, Kenya, p. vii, 60 p. : fig., photogr., tab., 2006.
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