The Story of Hoover Dam

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Black Canyon, Colorado, Lake Mead, powerplant, turbines, Referat, Hausaufgabe, The Story of Hoover Dam
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Referat
The Story of Hoover Dam Hoover Dam is a testimony to a countrys ability to construct monolithic projects in the midst of adverse conditions. Built during the Depression; thousands of men and their families came to Black Canyon to tame the Colorado River. It took less than 5 years, in a harsh and barren land, to build the largest dam of its time. Now, more than 60 years later, Hoover Dam still stands as a world-renowned structure. The dam is a National Historic Landmark and has been rated by the American Society of Civil Engineers as one of Americas Seven Modern Civil Engineering Wonders. A Hoover Dam History The High-Scalers Millions of years of weather eroded the canyon walls. Water froze in cracks and crevices, splitting the rock. Before construction could begin on the dam, this loose rock had to be removed. Special men were required for the job, men called high-scalers. Their job was to climb down the canyon walls on ropes. Here they worked with jackhammers and dynamite to strip away the loose rock. The men who chose to do this work came from many backgrounds. Some were former sailors, some circus acrobats, some were American Indians. All of them were agile men, unafraid to swing out over empty space on slender ropes. It was hard and dangerous work, perhaps the most physically demanding work on the entire project. Laden with tools and water bags, the men would descend the canyon walls. Jackhammer drills were lowered to them, and powder holes were drilled into the rock. ...

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Kategorie:
Englisch
Anzahl Wörter:
1844
Art:
Referat
Sprache:
Englisch
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