Word: keokuk
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Dates: during 1910-1919
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...Cooper is one of the foremost engineers of the country. Among other feats, he drove a tunnel under the Horseshoe Falls at Niagara, which was considered an impossible task. Perhaps his most important exploit was the planning and building of the great water power dam across the Mississippi at Keokuk, Iowa. The dam is nine-tenths of a mile long, being made up of one hundred and nineteen arched spans...
...very efficient as an organizer. He has carried through many important projects, including the driving of a tunnel under the Horseshoe Falls at Niagara, which many scientists declared impossible. Mr. Cooper's greatest feat, however, was the construction of the huge water power dam across the Mississippi at Keokuk, Iowa. The dam is made of concrete, and extends nine-tenths of a mile between Iowa and Illinois. The power is generated in thirty special turbines, which generate 200,000 horse-power. These turbines were designed by Mr. Cooper...
...ENGINEERING SOCIETY. "The Mississippi Dam at Keokuk." Mr. M. M. Warren. "American Power Dam Construction." Mr. K. R. Garland. Common Room, Conant Hall...