Black and white image showing an upstream view of Black Canyon from the Hoover Dam construction site. In the distance, Fortification Hill can be seen along with tunnel lining forms near the inlet portals of the Nevada diversion tunnels. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Elizabeth von Till and Claude N. Warren Professional Papers
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Collection Number: MS-00906 Collection Name: Elizabeth von Till and Claude N. Warren Professional Papers Box/Folder: Box 246 (Restrictions apply), Box 247 (Restrictions apply)