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<br />hlghw"termarksshownand Is" "best fIt" profIle. Elevation- <br />dlschargacurvosshowingthflIO-year, 50-YAar, IQO-year, and 500M <br />year floods are also presented. ThasA curves are located at the <br />surveyed cross sections which were not used In computing water <br />surfaceprofl19S, The date presented by these curves Is basad <br />upon relatIonshIps developed from physical characterIstIcs of the <br />respective cross sections and 197~ flood data. A detailed study <br />may show significantly different results. <br />The flOOded area plates show photographs of the flood of May <br />197~. The locations of obServed hIgh water m"rks from that flOOd <br />are also shown. TheSe pl"tes also show the lImits of the IOO-yeer <br />and SOO-year floods at each cross section as determined from the <br />...ater surface proflles or elevlltlon-dlscharge curves, Incases <br />where surveyed cross sectIon Information was extended by usIng <br />U. S. GeologTClll Survey 7.5 MTnute Quadrangle ~"pplng. an "sterlsk <br />(OJ denotes that the limits of the IOOMyear and SOO-year floods <br />are "pproxlmate. The location of these flood limits <It poInts <br />between the cross sectIons where water surface profiles are preM <br />santed can be determined by selectIng the proper water surface ~Ie- <br />vatlon from the water surface profiles llnd establish thllt point on <br />the flOOd plain by survey. Similarly, flood characteristics at <br />points betwoen cross sectIons where wate~ surface profiles are not <br />presented can be estimated by noting the elevation differences <br />between the desired flood and the 197~ flood on the oleva+lon- <br />dlsch~~ge curves "nd applyIng these relationships to the flood <br />Characteristics as viewed on the 197~ aerial photos at the desired <br />location. U, S. Geological Survey Quadr"ngle maps provide valuable <br />Infonmatlon for transferrlng relationshIps, <br /> <br />" <br />