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Buy the "Great Projects" videos and companion book at ShopPBS. |
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America's Biggest Construction Job Yet Six Companies, a San Francisco firm, won the contract, with the lowest bid. It was the largest construction job in U.S. history. Costing $48,890,955, the project called for 4.4 million cubic yards of concrete and 45 million pounds of pipe and steel. The company would have to build the world's biggest concrete factory and the nation's biggest power plant. And they would have to build a new city to support 5,000 workers and their families. |
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  How engineers contained and controlled the Colorado and Mississippi rivers. Thomas Edison lights up New York City; Sam Insull brings power to Chicago; and TVA electrifies rural America Constructing the George Washington Bridge Putting a major highway under Boston  |
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