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<br />~928
<br />FRYLVGPA.,."\T_ARKANSAS PROJECT, COLORADO
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<br />N. Suit-ahle language he ineluded in the Ruthorizing document
<br />clearly stilting that Iluthmizalion or appropriation of funds for the
<br />project or for the (~ontinued investigations stated above shall not In
<br />an.'" way const.itute a commit.ment, real or implied, to further importA-
<br />tions.
<br />
<br />A"ERY A, BATSON,
<br />
<br />~:.).
<br />
<br />DEPARTMENT OF THE INTERIOR,
<br />BUREAU OF RECL:"lATION,
<br />ll'ashinglnn ,~5, D, e, April 16, 1951,
<br />
<br />The SECRET:\RY OF THE INTERIOR.
<br />SIR: This is my proposcd report on the initial devr.lopmcnt, Ronring
<br />Fork diversion, of thc potent.inl Gunnison-Arkansas pl'ojeet, Colorado.
<br />:r..1y report is based on und ineol'porates t.hc accompnnying report. of
<br />t.he regional direct.or, Bureau of Reclamation, Den\"cl', Colo., datl'd
<br />Februnry 23, 1951.
<br />The potent.inl Gunnison-Arkunsas project, is u major unit in the
<br />comprehensh"e pltm of development, of the water resources of tbe upper
<br />Arb.I"'" River Basin, The initial llevelopment (Ronring Fork
<br />diversion) is n llluh.ipJe.-purrosc projeet involving t,l'allSlllollntain
<br />diver::-;on of water from t,Ilf'. Ronring Fork Ri'\cr, a trihutary of t.he
<br />Colorado. This development is designed ns a self-cont.aincd unit, and
<br />its construct,ion would not imply. n commit.ment for d('n~loping future
<br />wat.er supplies in t,he Gunnison River llasin fol' diversion to the
<br />Arkansns River Ba.sin. This development wouI(I pt'ovidc (a) ahout
<br />185,000 acre-feet of sllpplcIHf'ntal irrigation water at rnnn] hcndgllt,€,S jn
<br />t.he Arkansas Vn.llcy through kansmountuin tli\~ersion, eonseI'vntion
<br />of flood flows, rcregulat.ion of winter flow, nad reuse of rcturn flows
<br />for wn.t.er-t,hirsty }nnds which, even with t.his additional supply, will
<br />experience an average annual headgatc shortage of about In per-
<br />cent; (bl nbout 15,000 Ilcre-feet of Illunicipnl ",al,er to supplement I.he
<br />municipfll supply for Colomclo Springs, Pueblo, itnd sevem.l Arkanslls
<br />Vnlley towns where addit.iounl quantity and bet.t.er quality wuLer is
<br />criticnHy needed; (c) ahout 457,000,000 kilmmll-I1Olll's of eleclrie
<br />energy to help-mect. the criticn] need for clect.ric power in the project
<br />service urea and permit. expansion of t.he nOfmal uses of elent,l'i('
<br />energy; (rl) flood protcrtinn which would elimiJlll-t,p till pl'I'Ccnt of the.
<br />probable nnnual flood dn,Illtlgcs between Pueblo and the ,Tohn l\{l~rt,in
<br />Reservoir, estimated to he nhout $890,000; (el seclimenl, COlllrol,
<br />stream-polIut.ion abatement" and presel'vRtion and pl'opagnt.ion of
<br />fish and wildlife in certain arens; all of which .arc importltnt Rill I
<br />vnllIR~l ,cont,ribut.ions of t,he pl"Oject.
<br />TIt, Jnl1:pos(~S would he l1~cnmplishcd tllrough COIlSt.Cllct.ion of (a)
<br />a svsL . of 11bOllt .')0 miles of cann.ls nTllI tunnels on lihe wpstt'1'1l slope
<br />of ~thc ont.illental Divide for the collect,inn of Wi\.t,PI' from Hunter
<br />Crep-k niH.l Frying-pan River, t.f'ihut.ul'ies of the Roaring Fork Hiver;
<br />(b) Aspen Reservoir, wit,h uIl aet.i\"e enpacity of 28,000 uc-I'c-feet near
<br />the town of AspclI 01\ _:~ \\"cst<'l:n slope to lJrovil~l~ feplacement water
<br />and water for fut,lIre u!?\n mcct,mg t.he dl'ffillllds III western Colorado;
<br />(c) t.he Fryingpl1ll.'Arkllllsns tunnel, about. 6 miles in Ip-ngth.,for,din>rt-
<br />ing wntt'r eollect.ed on the west.ern slope to the eastern slope; (d). the
<br />Sugar LOllf Reservoir on t.lw efistcrn slope of t.he upper Arkttnsas
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