Woodward, Sherman M. (Sherman Melville), 1871-, Okey, Charles W. (Charles William), 1886-, United States. Office of Experiment Stations · Washington, D.C. : U.S. Dept. of Agriculture · leaf 45
Fig. 1 .—Rear of Pumping Plant, Louisa-Des Moines Drainage District, Showing Suction Pit. … Fig. 2.—Wooden Forms for Concrete Suction Pipes for Pumping Plant onMuscatine-Louisa Levee and Drainage District. LAND DRAINAGE BY MEANS OF PUMPS. 33 It is considered that it will be of value to introduce at this pointthe results of very careful and extensive investigations of rainfalland run-off…
Drainage · Pumping machinery
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