631.7
F686I
           Kraatz, D B
               Irrigation canal lining \ D B Kraatz - Paris : FAO, 1977.
               xviii, 199p:ill+tab - FAO land and water development series; no.1 .
                ISBN: 92-5-100165-0

101153
                Subjects: Irrigation; Irrigation Canals and flames; Canals-Design and construction-costs; soils; canal ecology.