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<br />a'C",I~JG~L) l'IF,]W,IAlI0::
<br />
<br />A genera I "'ap oi Tne ~as I n, aoove tnl> bOu I der-wo I ~ County line, C~n
<br />be found opposite the Preface.
<br />
<br />$ctIIL'nl(jnt
<br />
<br />1J6()'~.
<br />
<br />i,:r.
<br />
<br />- ,
<br />L. ~.
<br />
<br />I.yon, 'ur '~n':J1 t,1(' to'"" I ~ n,J'H;~.
<br />
<br />"eriv"dfr,"",'
<br />
<br />Thestudyreachiorthlsreportextendsupstrca'"1fromlhe
<br />t"o stre~m br~rIChes at Lyons, 3.7 miles "long the ~orth 5t. Yril in
<br />Crock <lnd 1.5 ',iles ~Iong the 5m<th St. ~r"ln Creek. Md 5.1 ",iles
<br />downstream tr~ the s~me point. AverJge flood ola!n widths and
<br />channel aimcnslonsandslopesare listed iniablel. ihech"rnel
<br />t>ed is stre'~1I "Ith cobbles and small boulllerS. PMtographs On the
<br />followingpagoslllustratostreamcharacteristicsalongSt.Vrein
<br />Creek ~"d tribut~ries in the study reach.
<br />
<br />rh" t i r~T ""ftl"rs In rhe ~y<)ns v iei ni tv C~mC in the ,.,!r Iy
<br />
<br />Conn...>eticul in Idil-D i,', ,.,n ",I;<)rt 1" iro!,r"v" r.i"r='- nedlthdnd
<br />qu i c kl y re~ I i Lud I>", vJ I '.l() 01 the I oca I ,'C~ ~:J~J stone I (,>I,nj on L)nd
<br />1'.0 n.) ~ pu rcr.:Jsed . ,'.~ r. L yo" re t'J rned e"5t t-o 50 I I ().I J r ry 5h"re~ d nd
<br />pcr5uJrJedm,,,.ysh,,ruhoIJerstou>',etotheviclnitywr.ere<ltow"site
<br />waS plotted in Idil2. The 1U,]rrio5 proved to be the mainstay of Io<::al
<br /><.>(:onw.y thro"~ho"1 the y"ars even ttooo'JIl 1here "as boon cons Tourab Ie
<br />Iluc~"ti"n in th., d""-lr.d la,' the ~to"e.
<br />1-kJ~; Jeveloprn"nts in thO f I cod pror,., ilrws "'Hre bu i I t wi th-
<br />oot k"ow I ed'Ju of He 11000 hawrd. In pio""er days, ~tlIt I ers wished
<br />tolivcne", thOir"otcrsoorcefm-corovenienco,whil.,edrlyindustrv
<br />,'u,,,, i ,-",I the "'<lter lor p<y~"r dnd p~oces~1 ,,<;. I-',any h<lve roma I .oed In
<br />the flooo plain avon alter experiencing J Ilood bocause 01 Ine ~igr.
<br />cost 01 rHI ()C;~tlon. Sti II othors hilV., bJ II I pcrrnJ"unt or parl+~i,no
<br />Iw"'<>s no",r Iho "tream to !:'njoy lill.! 1,,,,",,,1-y ~nd 1riln"lJ II dv ot n""ur<,1
<br />surrwndinJ~'
<br />
<br />T"olal
<br />TYPICAL PHYSICAL OI~[NSIONS.
<br />ST. VRAIN CREEK AND TRIBUTARIES
<br />
<br />Location
<br />oyReference
<br />Point
<br />
<br />FloodPlain
<br />Width,
<br />Feet
<br />
<br />Channel
<br />Width,
<br />Feet
<br />
<br />Channel
<br />Doplh,
<br />Fuet
<br />
<br />Slope
<br />FeetPerMile
<br />
<br />ST. VRAIN LREEK
<br />
<br />~~"rth anJ ~=~:', ~~. 'I"Ji~ C"cOk~ "~~;~ tr,,,;~ rG~p('~t:v~
<br />
<br />J/, Limit '0 C<, " I,GOO e, 5 .:2
<br />C<, 6 '0 C<, " 960 100 , "
<br />OL C3 to C<, 18 2,970 '" 6 "
<br />"" IG " C<, " 3.&00 I3G 5 "
<br />"'. 22 to p" '" 3.325 '" . "
<br /> ,
<br />c,. ". ,- D/~ Limit 4,188 ' .,~ 7
<br />.0 ,~ ,.. ~2
<br /> ~ORiH 57- '1'l.AIN CREEK
<br />
<br />I~e $tre"m <lnd I I'; 'Idlley
<br />
<br />UdS i n~ on the "Jst ~ 1 opas "f 1hu Kucky :-Iounl~ i ns ""d j{J I n d ~ L y""",
<br />rnJ'1 tllerc. SI. Vr"in Crcok t 10>15 ed5tc~ly to tht' Soofh PI<ltte River.
<br />.,ainf~11 In tn., ,"ou"tains '~",st of Lyo"s "vor"'Jes near Ii" i,>.;""'"
<br />"nnu~lly. n", ~v"ra'Je <lnnu~1 hmp"r~1u~e ill the basin is ilboJt .:g
<br />de~r""s. .'H Ly,,~<; j"e bcJ~in toro\]raphy ch~n'1"'S lrur 1hC typic,'1
<br />rK>Jntai n !.Jr.-di n on tho west, wi th loru"t gro~'tn. ~o t~ rul 1 inq
<br />pL.'i ,,;, "n t~e ,,,,,;t ~overed wi Tn pJ,1ure "nd eu I t IVJted t Idd,. Th{'
<br />
<br />U/5 LTmit'loPt. " 555 95 9
<br />f>~ . " toPt. 120 54:) 135 ,
<br />". 128 toOlS Limit :i4J 80 ,
<br /> SOUTH ST.VRAINffiEEK
<br />u/S Llmil to?t. '8 510 " c
<br />c
<br />Pt. 5, to u/5 i.imil """ ,
<br />0<" " 0
<br />
<br />"
<br />"
<br />'e
<br />
<br />"
<br />
<br />,c
<br />
<br />drcJln,)(;e dr"" dt Lyons is Ii') 5'1'-"'"'' ,."lles "i11o 125 5(Ndr" "';i,," 011
<br />
<br />. These d ;"'UnSiOn5 are J-pprox'i""ta ~VerdgeS lor the 'each,," deseri b04.
<br />
<br />:;cd" St. 'Ir"in Cr,Wk ,In,, '-M 5"'JJre miles on SWill St. VrJin Creek.
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