Construction of the Grand Coulee Dam, Washington, USA. Three men stand on a large casing section of pipe with one man standing inside. The pipe is put into place by a crane. Construction work on the dam began in 1933 and was completed in 1941. 78 people died on the original construction of the dam. The dam is one of the largest concrete structures in the world at 168 metres high and 1, 272 metres long, with a thickness of 152 metres. The dam is currently the largest hydroproducer in the United States. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Library of Congress / Bureau of Reclamation |
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