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Buy the "Great Projects" videos and companion book at ShopPBS. |
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Put to the Test After torrential downpour in early 1937, the spillway at Bonnet Carre was ready for its first test. On February 18, with crowds watching, the cranes atop the spillway hoisted timber needles out of 285 of the 350 bays. Surging down the floodway toward Lake Pontchartrain, the tide wrenched trees from the soil. Yet after two weeks of rains, New Orleans was still dry. The Bonnet Carre spillway had worked! |
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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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