![](http://www.alamy.com/thumbs/6/A2AEC971-83CD-41B3-8A5E-43272AE6D3CF/W5XF6N.jpg)
Ready for a concrete pour in block 14G, showing cleaned bedrock and form work on which are mounted the metal grouting sealing strips, grouting and cooling pipes.; Scope and content: Photograph from Volume Two of a series of photo albums documenting the construction of the Grand Coulee Dam and related work on the Columbia Basin Project.
Size: 5042px × 3966px
Photo credit: © Alpha Stock / Alamy / Afripics
License: Licensed
Model Released: No
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