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School Library Journal
Reviewed on April 1, 2012 | Preschool to Grade 4
Gr 3–5—The building of the Hoover Dam was an engineering feat that involved 21,000 people: surveyors, bosses, truck drivers, carpenters, electricians, miners, mechanics, crane operators, muckers, and the workers dangling from the canyon walls—the high-scalers. Plenty of statistics, diagrams, and trivia (including the origin of the term "hard hats"), and the usual cartoon visages of workers shown in their most hazardous duti...Log In or Sign Up to Read More