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<br />COLOilN'O
<br />~;"'\"'<:C'RV A;; ,W,.to, fiR
<br />",ON BOARD
<br />
<br />l'lollth of April 1949
<br />
<br />The SG.'l Luis Vallo:' Project ':Ias au.tharizeel UIl(',e1' Section 9 of the
<br />Reclamation Act of 1939. The Fincli:'l{; af Fe&sibilit~. \'Tas e.?p1'oved ::w t::e
<br />Sec1'eta~r of t~G Interior on k",ril 10, 1940, and trans~itted to the
<br />CO:i.lt;reSS on tl18 sane c.c--:.te. On Jl.L-"18 18, 1940, t::e CO::''lgress first a}?})ro-
<br />J:riatecl funcLs l1for further i:J.vestigatio:ls, e:zoloratory and. :pre~pe..r[;.tol"Y
<br />'oI'k ~'^o." co",-.o" ce-'e"l't 0,0 co~~' I'ucti~.' II (Act o,c T"~e 1 C' , ql! 0
<br />,", , c,..;...:-'. ._...I....~~ ".1.1. J.. _.I...., " -.J_w. . . . . . .J. CoI u.l.":' ...:..0, ___"".-\,
<br />eh. 395. 54 Stat. 406.)
<br />
<br />I. Closed Basin Division (InvestiC;c.tions ano, Surveys 150;'6 COlllplete)
<br />
<br />i. The cO!nE1encenent of construction of the Closed Basin Drain is
<br />contingent on (a) conclusive fil1d.i::l.g of justification therefor on the 'basis
<br />of cost and the C!.lJ.al1ti ty ano, (luali t:r of lll'.ter to be secured, a,.11d (b) making
<br />of adeo.uate arre.ncements for me,intenance of the drain (Act of June lS. 191;.0,
<br />Ch. 395. 54 Ste.t. 406.)
<br />
<br />ii, The co"templated ;Iorks \"ionld consist of 8.-'1 open drain SOL'e 43
<br />miles in length exte,u,ing from Segue.che Creek to the Rio Grande. the "~n
<br />:purpose of tl"le <ire.in 'being to e.u.o:;ment the flo.1 of t::e Rio Gre.nde by mee.nS
<br />of drainage return from tile Closed BaSin, a;ld lienee ;Jermi t ,l,1l eo,ual amiIunt
<br />of Rio Grande water to be u.seel in the San Lnis Valley. ConsiiLeration is
<br />no.,,] bein-c given. to t:18 ~possibility of proviclillt; a pump lift near the CJ.vio.e
<br />l)etvreen the ''sumpll and. the Rio Grande in or<",er t'lD.t a better location raight
<br />be obta.Lled fOl'the 10~!er ]?ortion of the d.rain.
<br />
<br />11i. Eeei:l::.i:ng a1)out 1915, vz.,riou.s individuals and. aGencieo I1B.YG
<br />endeavored to detomine tlJ.e feasi bili ty of sue..'" a d.rain.. All such stud.ies
<br />bz.vG been inconclusive a:1d at ~ide variance, Du,ri1~ October 194t. rel~
<br />res8nt~~ti ves of the :Bureau of P..eclaI~2,ticn~ t}le Geological Sur...te~r, B.-:."'lC~ tlle
<br />Colorado Water Conservation Board ~et to evolve a cooye~Rtive ~rogram of
<br />investig2.tio;:lS to lJrove or disIJrove ti1.e fec"si bili ty of a 0.~&.in. T}18 lJrO-
<br />gr21l1 of investiga.tiolls thus evolved ,2;,.ncl the c011!rrlitments of the various
<br />pe,rticil)atinc ace:lcies for carr:li:i.1{; out t:::.e I)rocram ;'zere outlined in a
<br />,ioinG mec.1orand,uL1 62.ted October 10, 1945.
<br />
<br />iv. The U. S. Geological Surve:,- has taken ovor t~le monthly ~('ee.di!'.g
<br />of the wa.tor elevations at 2.l)::ro::imc.tel:t 175 separr:'.te 10ce.tions in tile
<br />!I StlLI',;" anel the area to t:le 'c'"est on a reimbu.rsE,ble o<,_si s.
<br />
<br />v. Investigs,ti")ns ~;~e~e continued on t2:.e relocc.tion of t:le lov;er
<br />portion of the drGin.
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<br />(" ,.., of r; -: .~..
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