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<br />al., <br />'~, <br /> <br />to operate their pumping plants in the ~iver ar.d they in turn <br /> <br /> <br />;aade uV2.ilable their power water rightfl for the use of the pro- <br /> <br />ject, j <br /> <br />(Mr. Har:;:er then continued to read his :;leper) <br /> <br /> <br />Under the plans which have fin~lly been worked out, the <br /> <br /> <br />most efficient and economical USe possible is made of the waters <br /> <br />of the river by utilizing nCLr1y &11 return pOIVer wEter to sup- <br />ply. lower di\"ersions for irrigation. 'L'his return nO\\Br water <br /> <br />,will be only 99 second-feet in excess of the amount required to <br /> <br />Suppl,r the lest irrigation diverSion on the river and the quan- <br />ti ty wasted down stream is redllced to rc: minimwll. <br /> <br />'L'he minimum flow of the Colorado :Uver at tl1e Prlisade, <br /> <br />_1 <br /> <br />COloraa,o, gaging station during the period from 1902 to date is <br /> <br /> <br />about 1,100 second feet. If all the projects in the Grand Valley <br /> <br />were fully developed, Shortages would hav8 occurred in past <br />Seasons as follows; assuming that the total maximum demand for <br />all of the irrigation systems would N.ve had to be supplied <br /> <br />Simultaneously: <br /> <br /> IJo. of Maximum <br />Year Days Month Shortage <br />-- <br />1902 13 Augus t 254 se c ond. feet <br /> 15 Septembe:c 325 " " <br />1913 2 A ugus t 150 " J! <br /> 2 September 150 " " <br />1915 2 Augus t 195 " " <br /> 25 Se,tember 315 " " <br />l<Jl9 2 Augus t 100 " " <br /> 3 Septe mber 114 " " <br />/. G.J. <br />