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<br />. <br /> <br />. <br /> <br />00279) <br /> <br />. <br /> <br />3 <br /> <br />The re-evaluatlon of the Narrows ReservoIr IndIcates <br /> <br /> <br />that It should have a storage capacIty of approxImately <br /> <br /> <br />800.000 acre-feet and an addItIonal surcharge capacIty of <br /> <br /> <br />approxImately 600,000 acre-feet. Of the 800,000 acre-feet, <br /> <br /> <br />approxImately 375,000 acre-feet would be avaIlable InItIally <br /> <br /> <br />for conservatIon storage. The dam would be earth fIlled and <br /> <br /> <br />have a crest length of about four mIles. ApproxImately <br /> <br /> <br />11 mIllIon cubIc yards of embankment would be requIred. <br /> <br /> <br />Some thIrty-two mIles of raIlroad and twenty-one mIles of <br /> <br /> <br />state hIghway would requIre relocatIon. <br /> <br /> <br />A complIcatIng factor In plannIng channel storage on <br /> <br /> <br />the South Platte RIver Is the necessIty to control BIJou <br /> <br /> <br />Creek. ThIs creek enters the South Platte RIver a few <br /> <br /> <br />mIles below the proposed Narrows ReservoIr sIte. On the <br /> <br /> <br />average, thIs draInage dIscharges water Into the South <br /> <br /> <br />Platte RIver only about eIghteen days In each year. How- <br /> <br /> <br />ever, It contrIbutes over half of the sedIment load to the <br /> <br /> <br />rIver below Fort Morgan. It can be seen that. If the flow <br /> <br /> <br />of the rIver Is materIally reduced upstream from the BIJou. <br /> <br /> <br />there no longer wIll be a suffIcIent volume of water In the <br /> <br /> <br />rIver to scour the channel below the JunctIon of the BIJou <br /> <br /> <br />/ and the South Platte. It Is. therefore. consIdered neces- <br /> <br /> <br />sary to artIfIcIally channel the BIJou Into the Narrows <br /> <br /> <br />ReservoIr sIte. prImarIly for the purpose of sedIment control. <br /> <br /> <br />There would. of course. be flood control benefIts In <br />