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<br />L" <br />It) <br />N <br />~, <br /> <br />r- <br /> <br />,- <br />'- <br /> <br />"- <br />1 <br /> <br />f-S) <br /> <br />"After carefully considering all these factors, Reclamation has decided on the <br />modification alternative." <br /> <br />The cost of modifying the dam is estimated at $240 million. Actual modification <br />could not begin until after the environmental impact statement is filed, funding is <br />available, and final designs prepared. At the earliest, construction could not <br />begin before late 1988. <br /> <br />Modification would raise the dam's height from 280 to 350 feet; increase its <br />crest length from 723 to 1,180 feet; and increase its reservoir capacity from <br />1,381,580 acre-feet to 3.157,900 acre-feet. <br /> <br />-----.. <br /> <br />The additional capacity will provide storage space to control floods and to <br />prevent the dam from being overtopped during the most extreme flood event. The <br />modification will give greater protection from earthquakes as well. <br /> <br />-30- <br />