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<br /> <br />~ <br /> <br />C'-.-'~ <br />;1" ... I <br />"'~ J <br /> <br />~ <br /> <br />~ <br /> <br />UFO " <br /> <br />a <br /> <br />;?j-:'- <br /> <br />..;',- <br /> <br />::O.C <br /> <br />.'i:iIi- <br /> <br />~ <br />""'~ <br />~~ <br /> <br />p <br /> <br />1758 <br /> <br />the dam <br /> <br />THE purpose of this booklet is not to present, in minute detail, engineering <br />technique or techllical data. Rather, this work is presented with (j purpose <br />oj giving a broad view of the varied ramifications of the project. Description <br />of construction procedures, therefore, have not been attempted. For those <br />interested in the several technical/eatures of design and construction, a full <br />treatment is available in the Boulder Canyon final reports. Several bulletins <br />have been published and others are being prepared for publication. Copies <br />of these bulletins may be secured jrom the Office of the Commissioner, Bureau <br />oj Reclamation, Washington, D. C., or from the Boulder Canyon project <br />offices, Boulder City, Nev. <br /> <br />The '"ulldamental P"oblelU. <br /> <br />With legis~ation passed authorizing the project, the problem remaining to <br />be solved was placed squarely before the Reclamation engineers, To accom- <br />plish the purpose set forth in the legislation it was essential that the low-lying <br />valleys of Arizona and southern California should be protected from yearly <br />lhreat of flood. The annual spring run-off must be stored for use later. The <br />silt problem of the river had to be alleviated. And a power plant large <br />enough to use economically the full flow of the river was needed. <br />The key to this problem was to erect a huge dam that would accomplish <br />the above objectives. In order to harness the river effectively, the dam <br />\'lould be the highest in the world-726.4 feet from bedrock to crest. A <br />structure of this height would create a reservoir large enough to store safely <br /> <br />Hoover Dam and power plant as seen from the (low1lstream side. <br /> <br />13 <br />