Finishing the Job: 1938 - 1950

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Concrete is poured in blocks which are five feet deep and 50 feet square. Over 20,000 interlocking blocks will be used to build up the dam.

Concrete is poured in blocks which are five feet deep and 50 feet square. Over 20,000 interlocking blocks will be used to build up the dam.


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Grand Coulee Visitor Center
(509) 633-9265
pninfo@usbr.gov


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