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<br />~ <br />~ . . <br />N <br /> <br />".. <br />.... <br /> <br />16 <br /> <br />. <br /> <br />(180) years. <br /> <br />~ <br /> <br />, <br />At Needle., minor damag.. would occur from flow. <br /> <br />of forty-thousand (40,000) cublc-f..t-per-aecond. Moat of <br /> <br />the 441l1age would ~ in the 8emud. Plantation ar.a, ...t <br /> <br />bank between River and levee. Some damage would occur to <br /> <br />low-lying recreation develop..nts. This .ize flood would be <br /> <br />equalled or exce.ded only about once in one hundred and fifty <br />(150) yearo. At fifty thousand (50,000) oubic-t.et-per- <br /> <br />second damage. would b. about 1.8 million dollar.. <br /> <br />The Blythe reach enjoy. a degree of flood proteotion <br /> <br />, . <br /> <br />even higher than that ot Needl... SerioWl flood dauCle. <br /> <br />. <br /> <br />would not begin to occur in thi. r.ach until flow. <br /> <br />substantially exceed forty thou.and (40,000) cubic-fe.t-per <br /> <br />...., <br /> <br />second. At forty-eiqht thou.and cublc-foet-per-.econd <br /> <br />l . ~, <br /> <br />(49,000 cfa) , re.identia1 property would be damaged an <br />,I <br /> <br />". <br /> <br />estimated one hundred and thirty thouaand ($130,000) dollars. <br /> <br />An event of this magnitUde or greater would not occur much <br /> <br />more than one. 1n five hundred (500) year.. <br /> <br />At Yuma, all but extremely rare flood., one hundred <br /> <br />and forty thousand cubic-feet-per-.eoond (140,000 cf.) would <br /> <br />be contained between the levees. However, development haa <br /> <br />taken place between the Yuma leve.., and flooding of . tew <br /> <br />'1 <br /> <br />lOW-lying field. in this area would begin at about aixte.n <br /> <br />. <br /> <br />thousand aubic-f..t-per-aecond (16,000 cfa). A flow of <br /> <br />'-' <br /> <br />twenty-eiqht thousand cubic-f..t-per-aecond (28,000 cf.) <br />