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<br />.. u [t 1,78 3 <br /> <br />.10- <br /> <br />cycle prior to the time whan nny of tho wo.ters were diverted, used or stored. <br />::lince "virr,in flavls" are outflows from the dro.ino.ge basin, ond s in co no.turo.l <br />losses o.re not considered in their calculatiens. tl'o "virGin rIon" quanti- <br />ties de not represent the streamflews oriGinally ol'oated by natural precipi- <br />tation ever the dro.ina:;e basin. or the streo.mfloVls produoed by the runoff <br />from nnturo.l preoipitation. "Virc;in flows" are necessarily less than the <br />ori~~lno.l streo.mflows by whn,tever amounts of water nre consumed by natural <br />processes of ovaporntion and transpiration, incident to its oonveynnce dom- <br />stror,<m to the point \',here outflows are Jae!lsured and "virr;in flows" are <br />evo.lllnted. Colorado soya that natural 10soeB should be tn:~en into account, <br />ond that information oonoerninG the extent of natural losses under so-cnlled <br />"virgin conditions" ie necesaary, nnd should be added to the e~timo.ted <br />"vil'[;in outflows." in order to determine or estimate the IllSOuntS of the orig- <br />inal atronmflows of the Colorado River system. Colorndo points out that so- <br />called "depleti ons" have been estimatsd and appenr in the Hcport for so- <br />co.llad "preeent oonditions" and for those conditione whioh mo.y prevail in <br />the future if and when all the potential projeots listed in the Heport are <br />constructedl that such present and potential "depletions" o.re eegree;ated by <br />basine nnd Sto.tesJ and thnt do.tn concern1ne; the nmounts nnd souroes of the <br />oriGinal etreamflowe by basins and States are neoessary to complete the 1(e- <br />port. nnd to prevent an inoemplete Report from being mi elendinG to the <br />point of beine; unfair and ndverse to the interests of the Statee of tho Up- <br />per 'livision, and partioulnrly to the State of Colorado. <br /> <br />23. The Report, at par;e 19, enysl "Under virgin oondi tions the River <br />WM n growinf$ etream thrOUGhout its course until it reo.ohed the Jlnck Can. <br />yon seotion (site of Boulder Dam) below which the streo.rn vms depleted. <br />except ctt times of Grent flOOd, by evo.poration losses in the desert regionJ" <br />and tho.t Virgin flows at vnrious points hnve boen estimated by the Bureau <br />ef Rsclamation. as 1'011oVIXI <br /> <br />..STHIATBD FL<Hr - VIRGIN COnDIT" lNS <br /> <br />stronm <br /> <br />Avernt;G Annual <br />Flow (Acr_~.::Feet) <br /> <br />5,903,000 <br />7,;:139,000 <br />l6,27l,000 <br />338.000 <br />310,000 <br />16.161,000 <br />l,27l,OOO <br />2,282,000 '" <br /> <br />Location <br /> <br />Groon Ili VOl' <br />Colorado River <br />CDlorado River <br />Litt Ie Colorado <br />VirGin River <br />Coloro.do River <br />Giln River <br />Gila River <br /> <br />",t mouth <br />above meuth of Green River <br />Las Ferry <br />near tho mouth <br />Li tt 10 l'icld <br />LaGuna Dam <br />Dome <br />near Phoenix <br /> <br />'" From teri (pnge 19). <br /> <br />DirectinG nttention to the quost:lon of natural lonses. the <br />ameunts of which nre not shov.!1 in tho Roport. Colorado points out thatl <br />