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FLOOD03206
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Last modified
1/25/2010 6:26:37 PM
Creation date
10/4/2006 11:32:53 PM
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Floodplain Documents
County
Chaffee
Community
Poncha Springs, Salida
Stream Name
South Arkansas River
Basin
Arkansas
Title
Hydrologic Addendum South Arkansas River
Date
10/27/1978
Prepared For
Chaffee County
Prepared By
CWCB
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />. <br /> <br />. <br /> <br />\, <br /> <br />Memorandum <br />NOVGmber 22, 1~7S <br />Pilq. 2 <br /> <br />2. The internal cQnSist&lCY of the lOO-year di$char909 <br />1s good I that 19, as the drainage arQa inoreases, tha lOO-Y$ar <br />runoff ratio (CSM100' d~Cre3$eG s11~btly. <br /> <br />D.;'. Q100 CS~.~.o. <br />196.5 1920 9.77 <br />202.5 1')60 ~.60 <br />205.0 1960 9.66 <br />2iYL 5 2010 9.59 <br /> <br />3.i\ -i:re('U(~fLcy'"curve for 'l;he propos<!c\ dlscharq\!ls at the <br />mouth do~s not plot il''l ;" smooth,Cf~lo..":l- sec9raph <>.ttache<'\, We <br />8U99C$t the 50,..year f:rGqu(mcy is about 150 cf:s too lO~I, due to <br />vilri,:lti.on tn rNJ."i.r,:r or r Int:ting of r,o,,:;iQn.;',l cunre, in t'l(~ pruviou:1l <br />study. Other locations flhr.)uld b;<) plotted and c::wc,ked ~jr&ph.ic<l,lly. <br /> <br />.$. After the di":cnarge,s have ne<~n adju.'3t,'"d and. 'i'able 3 <br />i. c<)r.r~ct(~d, pleasc:l ~:;nl)X\;i-L a graph of the: d:l;::c114:r~ra p.:rofilas that <br />are ~_'t"op()sl~d fa:!:' u~.~c i::l t~;.\:; hydraulic analY13:Ls. <br /> <br />WPSSlll\;l <br /> <br />co: r.;oh Stotler <br /> <br />enclosures <br /> <br />':;~ <br />
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