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<br />1":)_v"ar flood "an 1><, rlest~n"t"d as flood haza~d areas and thdr use
<br />re;:ulated ,l""ordi,,~ly by the locd '~l\e"des.
<br />Flood plain mtin"lIement studies are N.rried out by th~ Soil
<br />Cons"rvation Servio.e as an out>:rowth of th~ reco",,,endations in A Report by
<br />the Task Foroe On federal Flood Control ~olioy, ijouse Document No. 465
<br />(~9th Co,,;:res8, AUllust 10, 1966). Mp<>chLly ReCQm.mendation 9(c).
<br />Re;:ulation of Land Use, which recommended the preparation of preliminary
<br />reporu for lIuidance In d.ose areas where assistance h needed before a
<br />full flood plain information report can be prepared or \<Iere a full report
<br />b not scheduled.
<br />
<br />'l,:SC'tIPHrl'l OF 'NE srorw ~R':'"
<br />
<br />Basin Characreoistics
<br />This sowly bvot\tes ohe Roan Cre"k ~asin (,)87.S '1""re llileq) 3.od
<br />P"r,~ch"o" Creek Basin CZIJO square mll"s). They are "dj~ce"c drat<l,,>;e8,
<br />boc" Ho..inll i" ~ ~oll~hea"rerly dtr"crion beo ehe w.in see'" of ehe
<br />ColorMoRi"..r.
<br />
<br />,~urhorHy for fundtn,o: flood platn rnanage~nt .tudies h provided by
<br />Section 6 of Publtc taw ~3-i66, which authorizes the. U.S. Department of
<br />A>lriculcure to ~oo".._tate with other federal. state ar.d loo.al ",geneies to
<br />,"ake investil';ations ~nd s"rveys "f the .."cersheds and rivers "nd other
<br />"at,'r""ys 3S a basis for t"e developnwnt of ~oordin"~ed progra,"s. In
<br />cart'yi"~ our flood phi" m"n~gement studt"", the Soil Conservation S"nt,..
<br />Is bein;: responsive to Executive ord"r 1191lB, entitled "Ftood ~lain
<br />'lan">lemenc", ~"d ';"ecutive Order 119<<0, .."titled "Protectlon of Wetlands"
<br />(boCh efh,alv.. 'lay 24,1977).
<br />
<br />"["he BasIns head..atH's or1,o;1"3t" on ,he Roan plateau ar: el..vadons
<br />oear ~~OO ft. rhe Roan Creek Cha"-",,l ..m"oiea Inco ~h.. Colorado River at
<br />,)0 elevarionof abouc 4900 fc. nearehe eoom of D,'beque, P"r"chuteCreek
<br />floW$ into the Colorado River upatream ftolllRoanCr"".."c ,"" "levaei OllOr
<br />5050 fC., near che eown of Par"chuce.
<br />The topography ia ori1l&rilyplaceau-tih cable Land <\eeplycuc by
<br />watercOurses which form .teep canyons. The region is rich in co"l ..."d oil
<br />s'"taledepostts.
<br />The di",,,c,, of che area is i~fl"e"c"d by Padfi~ .<Ortl .ysc"",s ohao
<br />lIOve fro......".o 00 "".c. Th" :"l"ares" nadonal_aCher "o"cioa,
<br />repre"ent,,"ive of th" lower p"l"r of che M"in, ia ac Ufle. The ..,a"
<br />,~nnual c"",perarllre aC Rifl" i" 47"F "ith .~bout; 109 dars of lIr~"ing S~.HO"
<br />neewee" che ,pl"i"" il:nd fall n"F frose <)C.curre",C"'. rhe meaa ,'''''cIa!
<br />precipitaolon aO 'l.Hle IS jus" over 11 iach.'.. This incr"".... to abo"o
<br />2JJ-2S Inche.qa<t;h('highere!ev:lrions. '.I1noerci"",precipi"attoni'
<br />"''',llly snOw from lare ()uob..r co early April.
<br />The ...,lls Inc11.1d" '!olLlsob "c the 'lillher de".,rlon. in ehe Upper
<br />S".b ,ud \ri<1i5"l" a"d En"iaols in th" hwt p"'"" "f r'l~ S,Hin.
<br />!'luveccsare dO"linanc,,djace,,r;co s"rea"'chanaejs. 'Chej(e<>ln"it
<br />
<br />f~"'1Mtions it.d",!,>. rCl" r,'rr{",v Src.'" U,'a, whic'l LOOC,~i:1s oil Shale
<br />
<br />;
<br />
<br />Jeoosics, and rh~ '"asaceh.
<br />
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