America's Greatest Engineering Projects: The Construction History of the Transcontinental Railroad, the Panama Canal, and the Hoover Dam AUTH-318540 and eventually

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America's Greatest Engineering Projects: The Construction History of the Transcontinental Railroad, the Panama Canal, and the Hoover Dam AUTH-318540 and eventually*Includes pictures *Includes accounts of the projects' construction *Includes online resources and a bibliography for further reading The Transcontinental Railroad, laid across the United States during the 1860s, remains the very epitome of contradiction. On the one hand, it was a triumph of engineering skills over thousands of miles of rough terrain, but on the other hand, it drained the natural resources in those places nearly dry. It "civilized"