<br />"
<br />;~ol" 1> a list of locations ~Iong the- I:rystal ~lver. the ~~5oC1Hed
<br />drJindgc ar~as, d~~ lUU~yeJr flood flow,.
<br />
<br />fAilLE 1
<br />DRAINAGE GAS1N AREAS
<br />"N~ 1 ULJ-lt~Y FUJ'.S
<br />
<br />l<lde~ p t.
<br />
<br />._L_o_c_'!.ti9_~__
<br />
<br />,
<br />,
<br />
<br />Crystal kiver,lboveCJrlJondteCr""k
<br />Carbonate Creer
<br />Crystal River 'Jt Mar~h'
<br />(uSGS Gdge ~llHl:; I
<br />Srystdl RiveratPitkin-GunnisonCo.
<br />Line
<br />Cry<; t~ 1 ~j vpr .It ~ I de; ta
<br />(USES Gilge HIM1,5)
<br />Cry5tdl Ri ."r above COdl Cre~k
<br />Crystal Rher b~low COol Cr;:>ek
<br />Cry\t.J] Riv.'r <11'0." AV,Jl<Jnche Crh'k r\~,)r
<br />RNlstone (USl;.'; (;,l<je ~1J1J16)
<br />Crystal 1l1vor.lbovc Avaldllcne Creek
<br />
<br />4
<br />
<br />,
<br />
<br />"
<br />
<br />,
<br />
<br />,
<br />
<br />'"
<br />
<br />r"'j< t ~ 1 ~ ..",' h.d Ow ....vo 1 An,-I,~ r.~,,""
<br />
<br />"
<br />
<br />C"1stal Iliver near Re~>ton"
<br />IINoS i~Jge ~mI16)
<br />Cry,tJl ~ivcr above fho:op>()n CrC(.'k
<br />Cr''ystJl ~i vel' l)elo~ Thompson Cr\'~k
<br />Cryotd\ I~jver ,'t ~j tkin - .1>1rt t"lo C<l.
<br />Lill('
<br />
<br />12
<br />U
<br />H
<br />
<br />1'1
<br />
<br />Cryst,ll KlveraooveHoanngi-ork
<br />
<br />Ilrdi ",J~<' f,r",)
<br />___ls.q:E~.J
<br />
<br />b'!.,
<br />
<br />~. :
<br />
<br />/4.3
<br />
<br />lU,
<br />
<br />lUI
<br />111
<br />
<br />l'id
<br />
<br />10/
<br />Ib')
<br />','1,
<br />
<br />n~
<br />23S
<br />3U
<br />
<br />;/j
<br />
<br />.lb4
<br />
<br />,
<br />
<br />'iTliUYRE..\CriIJ(:J;RII'TlUN
<br />
<br />Ih1', t loo(l~l din "tIHlj ""C""1jJ~S,'-" ,111O:Jt I? Ini le5 <it the :;r/,>t<l I ~i V','r ".,gin_
<br />"I ~'I Jt ,I \JOl nt "ppr"x Wid t" I Y ()rle-~1" I t Illi 1 e up', tn.,HIl "I ThullliJ"HI Cr~~" "nd
<br />
<br />"X t"Old1rt'l SJ~tlIW<l,.O to ,1'1!! ,!nO Ortl;-fiJ I t "" I", ,,,)ov..! ~I d~ i :".
<br />
<br />)'1 'JdOitiO'I,
<br />
<br />;)I~U
<br />(cts)
<br />
<br />cl~prnX1IIIHelj (me IIlile at Coal ere'" dlJOVe iLS confluence ~itil tnl! Crystal
<br />iUver is inclu<1eo 1~ tnis 'Study. Fi'JIJr<' show, thc. lill'it, M this ;tt;dy.
<br />Red, tone is the nlai n COlllmlln i ty wit~i n t~e study re~c". It 1 i 0, at tne con-
<br />fluence of tlie CrY$tal Kiver dM COdl CreeL
<br />
<br />n~u
<br />~61J
<br />
<br />24IJiJ
<br />
<br />fhe chd~nel of tne Crystal Ri ver is characteri z",<l Dj a .eries of confining
<br />geologic formations. Periodically, the river nlley '~idens. In the stUdy
<br />reac h bel ow Av~l anche Creek, the cha~ne 1 wi dth vari es from aoout 40 to 1 to
<br />feet. From Aval ancile CreeK to iledsto~e, channel wi nt~ varies from 611 tQ ,ull
<br />fect. The wi nest Channel is in the viCini ty of tledstone. A.~ove ~edstone,
<br />tl,.! channel varies from "() heet in width in the> !Iarrow CJnyon ~ut o~e~s up to
<br />aDQut ..i0U fe~t ,]nO h" s " br,li dpd \o,;-flow ch<lnnel in th(' vi ci n i ty at. ~ I o( i to.
<br />The (Iiannel ~jdth (IT eo"l Crr>ek is <lllOut JU tu ',u t~~t.
<br />
<br />3-JSU
<br />
<br />31SU
<br />365u
<br />42U'~
<br />
<br />44UC;
<br />
<br />The ~Iope In the lower n'Jch at tne Lrysldl 1t1 ver 1 s dDOllt 'In", to <)n~ an,1
<br />une-IMl I' p<.:rcent. The chalinel slOI><' ,11>(>"1' ft,valancnl! C,eek to ~edstone alter-
<br />nates bet'<let''' a st"e~ s lo~" ot j tu 4 percent to Ini hi slopes uf 'Jllu"t ,i ,-
<br />tenths of d penent. Stee~ slopes occur where uutcroppings of resistent
<br />SdllC1stone prevent flow fro," erQ(ji'l~ tile stredl@~O. !<illd slQP~s upstredln uf
<br />the resi stant sdndstone formations resul t trOIll deposi tion ot <;~diment. Tne
<br />must profound exalnple of this is in the vie inity of ~e(l>tone wMere the depo-
<br />SItion of coarw yrdvel and small cooble5 has ro;sed the choline\ b~a ~nJ
<br />thr'l!dtelis th~ COlllllunl ty 01 licasta,,,.. witl) 11 ooding. "JJO"~ lte(J~lOne, t,,~
<br />
<br />1j4\Jl!
<br />
<br />'"IIi.
<br />
<br />S~UiJ
<br />
<br />~6'J'J
<br />
<br />I\UC
<br />
<br />/(uu
<br />IM(JiJ
<br />
<br />c""""e! ~l ";'L' ! 0; ~I"),,t 'J"" ~e"Ct'~t.
<br />
<br />Th.' :>ed ut U1(' st,.~"" eI'dn""l i '; cUIII~use,j "'ai nlj ut uJab I,'s drl~ c,''',Jll ""ljnfj.,o
<br />houl<krs rJnginq i~ Sll" Ire)!. <;1X '''C'''.'~ to '''H' tuo~ In 'Ii:"'~t~,-. ,,, th.'
<br />
<br />~ trr."". ,',',ll. ~"'~ wil" r,' lb. < lop,' 1 < ,>rH' tu t~u '.",rc,," t.
<br />
<br />In re~~I\e5 ~h_'n, thl'
<br />
<br />~lul'~ I'xc,~"d, lw'J )}l'rc"nt. li,e 1)I,J cart:,ist. m~lnly ~r lJr'J': U'>w\Olor, .~~(; I),ln'
<br />L'~<lrt.KK. 1" ,t"('ctIR n'~ch"s of ,101'" '1'" tnd'l "'le 1,,_'rlPnt.. t.',.. l,,:<I <.:<)",,1 '.v,
<br />:nJ1~ly ot grJ~01 .iM ,mall cotlDle5.
<br />
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