631.7
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           Etcheverry, B A
               Irrigation practice and engineering \ B A Etcheverry - 2nd - New York : McGraw-Hill, 1933.
               v.1 (x, 256p):ill
                Contents: v.1 Use of irrigation water and irrigation practice

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                Subjects: Irrigation; Irrigated farming; Irrigation engineering; Irrigations pumps; Irrigation canals and flames; Irrigation water-Return flow.