
1. Construction of the Arizona power house foundations
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2. Construction on the foundation of the Arizona power house
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3. Forms for Arizona power house retaining wall.
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4. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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5. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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6. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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7. Looking downstream over the top of Hoover Dam
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8. Intake towers and spillway -- Hoover Dam construction
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9. Nevada intake towers under construction
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10. Hoover Dam intake towers during construction
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11. Aerial photo of Hoover Dam construction site
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12. View of a power house at the Hoover Dam construction site
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13. Nevada power house at Hoover Dam construction site
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14. Downsteam view of Hoover Dam, showing power house construction
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15. Power house under construction at Hoover Dam site
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16. Aerial view of construction on the top of Hoover Dam
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17. Construction on the Arizona intake towers
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18. Top of Hoover Dam, during construction
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19. Top of Hoover Dam, during construction
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20. View of the power house and valve houses from top of Hoover Dam
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21. View of bridge across Hoover Dam during construction
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22. Upstream face and intake towers of Hoover Dam during construction
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23. Hoover Dam construction, looking down on top
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24. View of valve house under construction -- Hoover Dam
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25. Intake towers during construction of Hoover Dam
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26. Hoover Dam during construction, looking downstream
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27. Hoover Dam construction -- looking into a raise
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28. View of no. 1 plug showing the arch and raise
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29. Hoover Dam valve house under construction
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30. Hoover Dam valve house under construction
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31. Hoover Dam power house under construction
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32. View of no. 4 plug, Hoover Dam site
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33. Looking upstream at Hoover Dam during construction
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34. Arizona intake towers, from the Nevada side
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35. Hoover Dam during construction
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36. View taken from the side -- Hoover Dam construction
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37. Power house during construction -- Hoover Dam
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38. Looking into the Arizona spillway raise.
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39. Arizona spillway bridge under construction
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40. Overhead view of construction on the Arizona valve house
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41. Construction on the Nevada power house
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42. Construction on the Arizona power house
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43. Construction on the power houses viewed from the valve house catwalk
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44. Close-up of construction on the Nevada power house
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45. Close-up of construction on the central section of the power house
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46. Looking upstream toward the Nevada intake towers, showing the intake bridge girders in place.
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47. Construction on the Nevada power house
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48. Construction on the Arizona power house
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49. Construction on crest of Hoover Dam
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50. Hoover Dam construction
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