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<br />WATER-SUPPLY PAPERS - Cant i Illll'd <br /> <br />l\ecords of strc.:Jmflow, floods, grol1nd--watcr levels, i-mu t'?uality of <br />water are published as Geological Survey Wat~r-S"rrly P;)r~rs (WSP) in the <br />series that follo\-". For further information on thc.sl..' ~('rips refer to the <br />State list mentioned on pa~~ ~. <br /> <br />s rRENfl'LOW !JAr,\ <br /> <br />RCI.:ords of d.1ily f Ill\"IS ll( ~tr.cam:.; .Ire giv('11 in t.il.... 1,.,'SI' s('ri('~; "SllrLJ(:~ <br />W<lter Supply of till'" l!nitl'd St.JtC'S,ll which is r('ll'aseu ill J111moC'rl'd parts as <br />determined hy n.1lllraJ drainilgl' basins. Br-[0rc 1961 this ,,;as an nnnual <.jp.rif:s, <br />hut hC'ginni.ng with ]96J.-6').1 )-Yt""ilr s("ri('~ is ust.'d. ~1(lnthly and y(..Hly <br />summaries of streamflow dilL" I-rom the annu;d WSP s('ri{~s .:Ire given in two <br />compilations, which covc:r the sam~ arcJ.s .olS those llsed for the annual series: <br />"Comni lation of Records cl. SurfacL' W.:ltl'rs ~ thc' United St;lt~s throllgh <br />Septc>mn('f l22.Q1l .JIlLl IICnmpllatiun cl RC>('l)r(l..:i:!..L SlIrl.1ct: W,lt'_:.I.2. of the Unit(.{i <br />States, October 195Q to St.'ptember 1960." Dat,l fur Colorado art> I!,iven in <br />hili 6-1" 1, ~, ~1l1d 2. Ikginning with ISI() I d;ILly slrl';llllflow r0curds have <br />been released annually on .:l State basis; thcsP rcportc; ar.c llst(~J under <br />"U.S. Cl'\)h)~il'al Sllrvl'Y I~\'pllrl"s J{('ll';lshl lu tll(' Ol'('n-Fi 1,.... <br /> <br />FLOODS <br /> <br />N\)tahle fll.hHls .:lrl~ SI11lU1\;lrizl'd in an L1nnll.:JJ [t'purL "1:!lJorls f)f If) " <br />t'-Ietlh)d.s lor C'stim;lling the freqllt'ncy and m;q.!.nitlltlt- of flood.s for particular <br />streams are givcn in tlip WSP Sl'r"lI'S "M':H!.nituue c1nu Frl'CjIll'ncy ..Q.[ Floods <br />in the United States, II which is c0mpriseu of reports released in parts by <br />drainage basins~ data for Colorado arc in Parts 6-ij, l, 12., and 2. <br /> <br />GROUND-WATER DATA <br /> <br />Grollnd.watl'r ll~vl'l.s ;tnd ;Ir.tl'si.:lll f1rcssllr('~ in obscrvcJtion W(,]]s are <br />rC!-'l..lrtC>ll by gcogl".:Jpllic .url';lS in ;1 5-Yl'~r WSP serie..s. D<Jl:i fur Culorc1uo arc; <br />in "Gr(H\nd-~ lC'vC' Is ~ ~ llni t(~J Stab's, NorthwE'ster.n States." <br /> <br />(~lIALLTY-OF'-WA'[EJ{ DATA <br /> <br />D;lta ('In 'ltl.:lli.ty of ~l1rL1Ct,' watC'r tln.~ ~',i.v('n in thc' \-JSP seri(:s 1I0lJ:]l ity <br />of SurLICC' Wat('r~ ~ till' lInited States," which is rf'll..:i:lsl:u in llIJmhl:rc.-d p<.1rt:- <br />as determinl'd by n':'ltural drainage basin~. Data for CnJorado arc' in Parts <br />5-6, 7-8, and 9-1.'" l\cforC' lq66 this was c1n annu,:] L sl'ries, and thereaftc:r <br />a 5-year series is used. Reginning with the 1964 water y~ar these da~a <br />are b('in~ rC'leasc.rl "nnui-I11y on a State b:1Sis; Sllch r~pnrts are listed <br />under l'I.I.S. Geolu~ic.:l1 S1Irvey RerhHts Rt']l',j~cd l"0 till' (lpl'n-Fil(,.1I Anlllh(:r <br />annual WSP seri('~, which \<Jas published until 1966, is 1l0lh11ity ~ SlIrfac? <br />\.J"atcrs [or rrri\~.:lti()n, Wl'stc..rll United Statl'.s.1I <br /> <br />7 <br /> <br />C;:,~ <br />~): <br />