This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
A closeup view of the east forebay slide area showing work under way on construction of frozen barrier at its top NARA . Scope and content Photograph from Volume Two of series of photo albums documenting the construction of the Grand Coulee Dam and related work on the Columbia Basin Project General notes Local identifier Department