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<br />'::~ <br /> <br />;. <br /> <br />.-:...;.~ <br />--~~w <br />Q:) <br />Q~ <br /> <br /><. <br /> <br />-17- <br /> <br />CADDOA PROJECT <br /> <br />9. Operation Problem~ (Cont'd) <br /> <br />frolll time to time, after they have ocourred, by periodic surveys from which <br /> <br />previously applioable capaoity tables may be correoted, the quantity of wa- <br /> <br />tel' impounded at all other tilWS,. during intervals between such surveys, is <br /> <br />necessarily uncertain. And the impounded quantities are subject to change, <br /> <br />due to unavoidable losses by evaporation. [\t rates varying from day to day, <br /> <br />and by months, sea.sons and years, with olimatic and weather conditions, <br /> <br />thus further complicating the aoccunting and further multiplying the unoer- <br /> <br />tainties and sources of dispute, if' such segregations and determinations <br /> <br />be attempted. <br /> <br />10.. Effects on Relations. <br /> <br />In considering the effects of the Caddo.. project on established <br /> <br />relations, it is convenient to distin~uish between the dam and the reser- <br /> <br />voir, and to reoognize the two conditions. when too reservoir is empty and <br /> <br />when water is impounded tmrein. <br /> <br />. The construction of Caddoa dam. or its eX:Lstence on the river. <br /> <br />will at times affect stream floW conditions dov.nstream. In general, hoW'" <br /> <br />ever, the flows affected by the dam itself are limited to flood flows of <br /> <br />sub stantial volume# and. since they are affec ted by the dam throu~h stor- <br /> <br />a.ge of water in the irrigation pool. any disturbance of previous dowstree.m <br /> <br />relations can be remedied by an agreement comerning subsequent releases <br /> <br />of.the impounded water. <br /> <br />When the irrigation pool is empty, Caddoa dam itself will not <br /> <br />interfere- withusualiy prevailing -lo";:"flow conditions ;-nor-witl1tlle-delfvery-- <br />