UNLV Libraries Digital Collections: Results

1. Construction near the upper portals of diversion tunnels no. 1 and no. 2	2. Dump trucks on temporary dike in front of portals of diversion tunnels no. 3 and...	3. Closeup of Upper Portal of Diversion Tunnels No. 3 and 4, during preparations for blast.
4. Hoover Dam construcion -- blasting	5. Workers in diversion tunnels -- Hoover Dam site	6. Six Companies' power shovel dumping dirt in dump truck in diversion tunnel at Hoover Dam...
7. Concrete lining inside diversion tunnel no. 2	8. Excavation for downstream plug, Diversion Tunnel No. 2.	9. Switchyard control circuit tunnel under construction -- Hoover Dam site
10. Hoover Dam during construction	11. Construction of Hoover Dam diversion tunnel	12. Construction workers inside Hoover Dam diversion tunnel
13. Hoover Dam construction -- various phases	14. Hoover Dam construction	15. Trucks hauling concrete in the diversion tunnel
16. Construction on the Nevada power house	17. Construction on the Arizona power house	18. Hoover Dam construction site, looking upstream from the lower portals road
19. Construction on Hoover Dam and the power houses looking upstream from the lower portals road

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