Mechanical tests of pumps and pumping plants used for irrigation and drainage in Louisiana in 1905 and 1906 (1907)
Gregory, William Benjamin, 1871-, United States. Office of Experiment Stations · Washington : U.S. G.P.O. · leaf 72
Fig. 3.—riagiam showing pi-otits and losses from riant No. I. contrary, are both attributes of high-grade machinery. The propor-tions must be such that an accident to a portion of the machinery willnot paralyze the entire plant. There should be at least two units, andthe figures given in this… … I. J.-Diiigrhin showing cost of flu l and total cost of irrigation per acre under viirying conditions. 70 DRAINAGE PLANTS. It is estimated that neaily one-half of the area of Louisiana is ofalluvial formation, having been deposited in recent geological agesby the great river. Like all alluvial soil…
