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<br />15 <br /> <br />DESIGN DISCHARGES BY OTHERS <br /> <br />.Mr. Fred Barbell of the Buneau of Reclamation Flood <br /> <br /> <br />Study Group, said via telephone, .that in 1964 they used a <br /> <br /> <br />50 year flood of 44,000 cfs and a 100 year flood of 48,000 <br /> <br /> <br />cfs for the design of a pumpinq plant at. Silt, In 1970 <br /> <br /> <br />at Grand Valley (Palisades), johey u:3ed a 50 year flood of <br /> <br /> <br />56,000 cfs and a 100 year flood of 63,000 cfs. Mr. Bartel <br /> <br /> <br />said .that the gage records :linc".: :..949 were ad:iusted to <br /> <br /> <br />account for the effect t:hat: ret:ention and diversion had on <br /> <br /> <br />l:he peak flow in t:he Colorado River" <br /> <br /> <br />The USGS "Water-Supply Par~Y 1683",(6) Figure 19, <br /> <br /> <br />page 16 under Special Appl.icat:ior, gave a 50 year flood of <br /> <br /> <br />51,000 cfs through DeBeque Canyon" 'rhis paper cont:<dns <br /> <br /> <br />records through 1962 therefore d<x:s not include .the effect <br /> <br /> <br />of recent dams. Homesta:ke, ElfJ i': Gap and Rued! dams have <br /> <br /> <br />been built since then. <br />