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<br />Figure 5. Lar'ld use ,n the Upper COloradO Rrver Basin study unit
<br />(moej,tl(Kl 'rom Malschner, 1967).
<br />
<br />SELECTION OF WATER-QUALITY SITES
<br />
<br />J{C'\Ulh tWllll'\alwllllln <It tilt' 1"1l\ iTOIllTlt'III.11 ,l"lling \h'Tt' ll'l"d
<br />to uC',ign tIll' "uTta"l"""ah:.- and gwund.\\ all:r-~U;llit~ 'ampling
<br />IIl'lwod,.., hIT the l'COL 'luJ~ uni!. For the 'urfal't'.v.;lIL"r-YU<l1il~
<br /><,;unplmj! 11l'I\.\.orl tlig. ] J. I~ '1Ic\ nil\\: ~cn c\laoll,lwd III ;1"""
<br />natural hal.:kgrounJ \>, atl.'r-yualil) nmdllll>ll': ...lkl'\, 01 mining.
<br />urhan!r,'l'rcalinn;tl. ;lI1J agrkultural land 11'<.:": and lht' \\ alt'T quaJiI)
<br />nllarg,', ..trC;H1b lhal il1h:grJ"" ll1ullipk land ll't" up'lream Irom
<br />till' 'ampling 'Ik', S;unpling ,dl.'t,tinn "ii' h;l,,'d on Jr;linagC' areit.
<br />land U\l.', i.lnltlUn! 01 i.\vi.ul<lnk di.lt<l. imp...rtancc tn 1\1(;;11, Sti.ltl', ;tnd
<br />Federal agerll'le'.l"tenl oi' ongoing and pa'l ,ludiC' Hllhe .lfe;!. and
<br />anility 10 <:omp<lfl' thl' v.all'f.quallly dala l'olll,<..ted ill till" tM'1l1
<br />v.ith thl' olhl'r 'lUdy unit- of Ihl' \.-\\\'Q:\ program IHl;t nallona]
<br />pcr'(ll.:l.:lih'. Flo\~ l.:hafa~'tl'ri'Ill.:': l....n..:elllratt"n' and IOi.ld, of
<br />nutril'lll'. major iori'. metal,. ;lI1d ,u'pcnd~'d ,eJlmelll: ;md ;tqU;tri<:
<br />niological (.ornrnullltil.... v. ill ho.: n1l'i.t'Urt:J. ...;unpkd. or de"'l'nlx'd ;11
<br />the...e ...Ill".
<br />
<br />Ground.v.a!"r "'i.lInpling v. ill Illl.:U... on the Cffl'lh of mlllll1g.
<br />urhan, <llld a!:'rkultur;l] land u...e... 011 IIll' ...hallllv. gTllund.v.,ller
<br />l.jualily In lhe h;bin. For Ihl' gwund.....;tter.l.ju;\hly "'i.lmrling
<br />1ll'l\\Ofl, ahou! :-0 v.ell- will lx' ...ampkd fur ...elected ]and U'l" m
<br />Ihe LTOL h;t...m. In conlT;J'!. J g..:nl'ra] ;J"l'"ml'nlul nM).\[
<br />ground.v.al..:r "lure..:' mlhl' SnUlI1l.'m R(ll.:ky \lounlain, phY'lll-
<br />gr;lphll' prlllinl'c "f Ihl' h.I'lll ;11"'01' pl;tllned. v.lIh ;In.,U! ,~ll v.e]l, I"~
<br />Ix' ...ampled. The gl'nt.'T;J1 a"t.'"mt.'nt ,amphng v. ill il\\ c'ligatt.'
<br />holh n~lur~l ~llll huma.n tJn...r.. on v.all:r 4U~llit~.
<br />
<br />AprI11996
<br />
<br />Relerences Cited
<br />
<br />Apo.>Jal';;, L.E.. Dml'r. '\ E,. Stl'phl'n'. \Tn and Spahr, :\.E.. 1"J9fl.
<br />En\'lfllllml'lIlal ,ellmg and impll<.:atlllll'" Oil v.'-Itef 4u;lhl~. L!pp<:r
<br />Coloradll RI\t.'r Ha'ln, CI,Il'r..d" ;ll1d l'l;lh: lJ_S. (il'"lllgil.:;i1 SUT\'e~
<br />\V;lh:r.Rl"('Urll" Inh"ligalll'n... Rl'ron lj5..C~h3. 3.~ p.
<br />
<br />BUll'au 01 Ct.'n,u.... IINO. IlJlJ2, ]440-1l,l4~ l'CIi'U... 01 POPUl;.1I11lll
<br />and hl'u...mg. W..,hinglon, O.c.. d,-,la on ('(l.RO\l
<br />
<br />("o]oraJo Chmi.ll<.: ('('lllt.'r. IlJX-I, f'olpr.IJll ;!\l'rage i.lllllUal
<br />prenpllatlon ]1)) I to IlISO: rort Clllllll'. Colorado Chm'-lt" Ct.'ntl'r.
<br />'l'alc 1:5IK).IIOO.
<br />
<br />Leahy. PI'.. ]{'''t.'n,hl'lIl. lS.. '-IlId Knopman. D.S.. I'NO.
<br />ImpklllL'nt<llilln planftlr th... .'\ati.lIul Wi.tll'r'()ua1il~ :\"l'''lI1l'nt
<br />Pnlf'ram: Ll,S, (;l,t1IIIf'ical Suney Ol'l'n-Fik Rq'lllrl9\).17-1. 1(1 p.
<br />
<br />\Iar,chnl'f. F.J.. IlJfl7, \lajllr LlIlJ U'l"01 Ihl' L'l1ill'd Stall'''.
<br />aUilpll'd ffllm L:.S. lkparllllcllt of :\~f1Culturl': \i.tliullal :\tla, 01
<br />lhl' L:nilt.'d Slah:.... p. 151\-15'1, ,t'i.lk ] :7.5111U~1l1.
<br />
<br />Sduulx'n. fl.G.. :\mul.R:.E.. and Ba\\k..:, \\'.J, ]97-1, Gl'O]<lg~
<br />01 lhl' l'onll'nmnnu, l nitl',j "it,ltl" ;11 I :?,,~llll.flllll--A digtli.ll
<br />fl.prc.......ntalllln plthl' IlJ7-1 I'.B, King ;md II \1. Hl'i\';m;L1l map:
<br />liS Gt.'ologll'al Surn:~ Digilal dala 'l'Til". DDS. I I. nil CD-RO\I
<br />
<br />[I.S. l.kparlnll'llt tllthl' IllIl'flor, ]1)lj5. ()ua(ll~ ,,1' v.i.lh'r Cllhlr,tdll
<br />R1\'Cf Ib,m-I'tllgrl'" rl'po.'rl nll. 17: L:.S Dl'p;lrlnll'llI11f thl'
<br />Inll'flllr,lJh p,
<br />
<br />\\'('nt1:. 1>,:\" 147-t Eft'cct 01 mint.' ,lri.ullagc on lhe 4U;IIiI~ I't
<br />,[ream' in Clllllradll. 1971-72, \Val('T Clln'l'f\alion Board.
<br />Wall'r]{c'llurct.',Cirl'ubr21.117p.
<br />
<br />Infonnatlon nn t..:...hnil'al Tq1\lrh anJ
<br />hyJrulllglC d;tla r..:hll..:J to the:\':\ WQA prugralll,'an lx'
<br />ohtameJ from:
<br />
<br />Uprx-r Coloradll Rln'r Ba....n:\'A \\'Q:\ :'\1anag<.'r
<br />U.S. Geological SUr\l"Y
<br />RIJg, 5J. Dl"n\l"r Fcdl"ral Cl'ntl'T
<br />:'\1ail SlOp -t];. Ho\ 2:;O-t6
<br />1Jt.'11\'l"r.Co:-;n22:'i
<br />L~IUI2Jft-2Jl11 ..:\1. 22-1
<br />l.mail: 1l,'Jri\l'r@'u"'p.f!O\
<br />\\'('11 ...ill:: hllp://\\eh"'<"f\1"r.n.u...g....go\'/n:t\\4a/uolll
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