
1. View of Hoover Dam construction from the top of the dam
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2. Low mix concrete plant
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3. Downstream view of Hoover Dam construction site
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4. Looking up Black Canyon from the dam site
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5. Hoover Dam under construction
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6. Blasting at Hoover Dam site
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7. View taken looking upstream on the Colorado River of the Hoover Dam construction site
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8. Aerial view of Hoover Dam construction site looking upstream on the Colorado River
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9. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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10. Looking downstream from the Arizona side of Black Canyon, showing the reservoir level at the...
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11. Colorado River -- Hoover Dam site
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12. Looking up Black Canyon during construction of the diversion tunnels
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13. Arizona intake tower derrick.
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14. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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15. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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16. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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17. Aerial view of the Hoover Dam construction site looking upstream on the Colorado River
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18. Aerial view of the Hoover Dam construction site viewed from downstream on the Colorado River
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19. Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam...
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20. Aerial view of the Hoover Dam construction site looking upstream on the Colorado River
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21. View of the Hoover Dam construction site looking downstream on the Colorado River
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22. Looking upstream toward the Nevada intake towers, showing the intake bridge girders in place.
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23. Aerial view of Hoover Dam, looking upstream on the Colorado River
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24. Blasting and construction on Hoover Dam
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25. Construction crews in Boulder Canyon
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26. Construction -- walls of canyon
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27. Hoover Dam construction, looking upstream
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28. Sundown in Black Canyon at the Hoover Dam construction site
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29. Aerial view of the future site of Hoover Dam
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30. Hoover Dam from the downstream side with bridge and buildings
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31. Scalers -- Hoover Dam site
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32. Black Canyon prior to dam construction
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33. Bridge construction near Hoover Dam site
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34. Hoover Dam construction, looking upstream
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35. Hoover Dam construction, looking upstream
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36. Hoover Dam construction site
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37. Hoover Dam construction, looking upstream
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38. Hoover Dam construction, looking upstream
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39. Lower portals of Diversion Tunnels No. 3 and No. 4, during the flood.
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40. Aerial view of the Hoover Dam construction site looking downstream from the Arizona side
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41. Hoover Dam construcion -- blasting
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42. Hoover Dam construction
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43. Hoover Dam construction
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44. Hoover Dam construction -- various phases
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45. Hoover Dam construction
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46. Hoover Dam construction
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47. Aerial view -- Hoover Dam construction
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48. Hoover Dam Construction -- blasting
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49. Hoover Dam construction
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50. Black Canyon during early stages of dam construction
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