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<br />Oull37'5 <br /> <br />- 2 - <br /> <br />It. 1188 888U1l18d that. depleU_ by present. Wle8 an roi'lected in <br />8trelllll t.l.ow in t.be Oo10rado RLVel' at tee Ferry. and the ana.lye1.ll 18 intende4 to <br />eat1aate tAil d1II1nUUOII or au::h flow as a result. ~ additional depletions by pre- <br />sent and camm1tt.ed. uses, to detBl'lIIirle il tlw relll81nolll" 18 5utfio1ent to porm1t <br />diwrs:l._ by the Frying Pan-Anane811 prO.1flOt. <br /> <br />It 1s probatlltl that there 1'18li been an in01'Cl8ll8 in irrigated IlIlrtllilie <br />in the C<)lorado Rift!" buin eutlaequant to 191.&.o~ Howewr. 1t 1s believed that sal- <br />vaged Clh!llWll 10Bll88 renl~ frolll B1at.ertlill :1nIlreao.. in t.rans mNntain diwralO1U1 <br />would Il101'8 than cOIIIpennte tor the 8djlUlt.mtll 1JJ the elU"lier ye8l"ll of f\he runoff <br />period which lII18ht. be appliod if the amount of depletign f'raa such lICl."IIleae inoreA88 <br />could be definitely detll:nniJIe4 at this tillllll. <br /> <br />'l'be atteohfldtabulat1ons sbOlr in C01tl1l11 1 the hiet.orio !low at <br />Colorad.o H1ver at Ulll Forry tor the period 1931 t.hrough 19,3. CoIWIIIiB 2 through 6 <br />cOllt.a1n estimates of tho dep.lsti0l18 lIT trllll8lllOtUJta1n divenllon pro.1ectll which would <br />have been 1.lIlpoeec1 on the water supply 1.f t.beir fadlit.1ee !lad been fully dElvdoped <br />during the entire period. Col\ltln 9 oont.a1n.D e8t.iaat.ee for additional depletiOll8 <br />by extenalO118 of tlw Grand Valley end Unc:01IIpabgN pro.1eotA 8lld. th.. au.t.horlud. Col- <br />lbran projeot. 'l'b& Golllb1nod long t1lR9 a'W'er4gti d.epletiOJlll tOI: thoBe Pl'QJeots are <br />aeaUllllld to be 1l000tant tCll' G8I:lh year at tM period, d\I8 to lllCk of' 8U.ffioisnt data <br />on which to bue eat1a&t;q ot8llllual deplCJtlQl1. Actually, tMee deplet1QM would <br />VIU'f same what aacard1ne to 'If&ter aupply, but tbfl var!.au'ons 'lfQU].d not have as <br />Wide a rqll U WQuld. be ~h4t calle ICll' thG trQlIlIlQUrlta1n cI1118l'l110Zl11, 'lI.h1ob are lIlOTII <br />cI1reDt.l;, at!eoWd by fiWlia.\at10N1 in 1'WlO1'1' and by the d....,...1I oJ: Hn10r dOlln- <br />stream appropl"UtOJ"ll. <br /> <br />ColUllll1 10 11:1 the 811ll! at ColtlBlllJl 2 thrOllgh 9, ruprea.ntin€ tJle <br />aggl'8gate ot potent.ial odd1UOlIal d.splet!OM by euat1n& aIlli oollll!litted uses. <br />OolulllD U abCJq tho pro,reee1ve ten year serbs of the lIllnual 8IlIO\II1te in Oolw:m 10. <br /> <br />ColWlll1 J2 ill the result or lSubtreotJ.1I8 the ann:ulll amounts in <br />Co1U1m 10 tt'Olll th08e in Colllllm 1. Co1Ulll11. 13 conta1na the pl'Ogl"Qllive ten yell:r <br />serie8 of the 8iDounts in Column 12, and ahOll'lIbat the 10 )'War progresBive eeriell <br />of' anm.lal lItream nOl'l' at I.ell Fer17 would. have been dur1ll& the 1931-1953 period <br />with ult1lllate 1!8Vf11oplll811t of existing and oClllllll1tted use8 1n Colol:ado. <br /> <br />The aJlIOUlIta ahOlln in Column 14 8l'II 1II108e 1n Col\llJln 1.3 minus 75.000,000 <br />acre teet tor llIaoh pl'Qg~s1ve 10 ~ar eeri88. l'hey india. the l"l''''''i.ni.'Ig streum <br />nOlra during ellCh 10 year periocl wh10h would be available for furtllel: depletion by <br />tbe Upper BUin, atter the !laein's 4alivcl';Y obUgation had been IIItlt. <br /> <br />The ult.1lllnte <l1vers1ona of the P'l.7':I.ng Pan-Arkanall8 pTO~eQt.J by years <br />and 10 year prop'q'siw series, are .hOllll 1n ColWllllll 15 8nd 16. These /IIlIOUIltll have <br />been eatimated iJ)' t;he Bureau ot Realamat,lon. <br /> <br />/:.:> <br />:~.::' <br /> <br />Go1umn 17 ShORs the rlllll8.1'llng flow at. 1.<Ie P'Glrry a1't.er subtraat1Jlg <br />the Frying i'an-Arlt.......,..1I6 depll<1".1ol1ll duriJl.g each 10 year smell durtnB the 33 )'f1ar' <br />per104. The lOdst. ruaindor 1I01ll.d be for the ten yciar pi\rS,od 1931.-1.91&.0. ThiI etu(\)' <br />indicatOl that dur1nij t.h111 Cleoade there _ould reJ:la1JJ an IUlIl.IIlIl aver. of allout <br />2,000,000 acre teet for furthor depletion by t.tu!l tipper Bae~ an.er acCO\U1t1ng for <br />