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<br />-. <br /> <br />. <br /> <br />--.' , - <br /> <br />20G+ <br /> <br />Cho.pt,ol"JI. :":~'?~o:~ _do,s~ription <br /> <br />SOURCE OF SUPPLY <br /> <br />Mountain streams, the Arkansas liiver, shallow wells.. springs, and <br />artesian wolls fUl:'nish wo.tor to the towns in the Gunnison-Arkansas <br />P.-oject c.roa. Tho quantity o.vuilo.ble is barely adequate at present, <br />and shortage B aro apparent in all lo.rger towns. In the plainB o.roo. <br />tre quality is often poor and the w::.tur contnins large quantities of <br />calcium and magnesium co.rbo~tes and sulphatos. Hardnoss vo.rios from <br />o.10-lnlf to 95 grains per gallon (10 to 1;62.~ parts por million) of <br />co.lch:m co.rbowto e'1uiv"lenl; o.nd o.vorages 41 grOlins p:3r go.llon (700 <br />parts per million)y. Industrial and rr,unicipal wo.teO!' must be Boftoned <br />for boilers, laundrios, o.nd similo.r usas. <br /> <br />Domostic water for farms and work camps (or colonies) loco.ted in <br />tho area is obto.inod from wells. Tho supply from this source is <br />usually adequato oxcopt in tho area south o.nd Oo.st of Fueblo. <br /> <br />The wutor boo.ring stro.tu~ containing tho purest wator in the aroOl <br />is th<; Ogallala. format i0n whoro tho ",,,tor contont is dorived from ro.in'- <br />~ll. DOWITNOlrd porcolation is haltod by tho underlying relo.tivoly im- <br />porvious Pierro s~alo; tho wnter thon follmrs o.leng tho conl;c.ct plane <br />to the outcropping odgos of tho formc.tion. North of tho Arkanso.s Rivor <br />too surfo.co of tho plain upon which tho Ugallalo. 'NO.S lo.id down slopos <br />gro.duo.lly to tho southo:'lst. As 0. rosult tho wo.ters in tho Ogo.llalo. <br />formation flow southoastwo.rd and cOmo forth in springs at many places <br />o.long tho south and oc.st fo.ctJs of the phteau. Thcso springs furnish <br />0. stuady volumo' of w~tor and o.re usod for municip"l supplios by tho <br />towns of Fowler, Olnoy Springs, and Ordway. Elsowhere the water supply <br />iB o'oto.ined from wells varying in depth from a few feot to '3<.:voral <br />hundrud, foot. <br /> <br />Nearly all tho soft o.rtesicn v~ters found in this aroo. are located <br />in tho IhkutQ sand s ropresenting tho D:'.koto. propor and thtJ. Purgatoire <br />fOI'l1l?ot ions. In the Arknnso.s Valloy tho sD.nd is oncounterod at 1,374 <br />foot neOlr Fowler, 1,030 feot o.t W~nznnolo.. 420 feet o.t Lc Junto., c.nd <br />340 feot at 1o.a Animas. Tho first wella in tho vo.lloy wore truly arte- <br />sian, but the flow has stoo.dily deoreasod and ut presont most of tham <br />are pumpe de <br /> <br />Y Soe dofinition of hurdnoss in Cmptur III, "Quality of Wo.ter". <br /> <br />3 <br />