00603cam a22002171 4500 agr41000372 DLC 20260227111000.0 830202s1941 dcua 000 0 eng agr41000372 (OCoLC)16762737 DLC OrPS OCoLC DLC premarc TC927 .R6 1941 Rohwer, Carl. Putting down and developing wells for irrigation, Washington, [U.S. Govt. print. off., 1941] 87 p. incl. illus., tables. diagrs. 23 cm. Irrigation. Wells. 10119 10119