
1. Hoover Dam construction site, looking upstream
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2. Hoover Dam site, looking upstream
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3. Hoover Dam site, looking downstream
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4. Hoover Dam construction, looking upstream
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5. Union Pacific Streamline train at the dam site
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6. Hoover Dam construction, looking upstream
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7. Hoover Dam construction, looking upstream
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8. Hoover Dam construction, looking upstream
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9. Hoover Dam construction, looking upstream
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10. Hoover Dam construction, looking upstream
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11. Hoover Dam construction, looking upstream
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12. Hoover Dam construction, looking upstream
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13. Black Canyon during dam construction
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14. Construction site at Hoover Dam
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15. Nevada spillway during construction of Hoover Dam
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16. Hoover Dam during construction
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17. Hoover Dam under construction
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18. Hoover Dam during construction
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19. Hoover Dam under construction
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20. Unloading huge pipes -- Hoover Dam site
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21. Aerial photo of Hoover Dam construction site
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22. Nevada power house at Hoover Dam construction site
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23. Downsteam view of Hoover Dam, showing power house construction
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24. View of power houses being constructed at the Hoover Dam site
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25. Construction on the Nevada power house
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26. Looking downstream on the Hoover Dam construction site
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27. Top of Hoover Dam, during construction
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28. Nevada intake towers, Hoover Dam construction site
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29. Construction view of Hoover Dam, looking downstream
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30. View of the power house and valve houses from top of Hoover Dam
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31. Upstream face and intake towers of Hoover Dam during construction
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32. View of a spillway bridge during construction of Hoover Dam
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33. View of Arizona spillway during construction
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34. View of Nevada spillway during construction of Hoover Dam
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35. Final pour in the slot, Hoover Dam
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36. Hoover Dam under construction
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37. Hoover Dam construction, looking down on top
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38. Hoover Dam power house under construction
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39. Switchyard control house, yard and present substation -- Hoover Dam site
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40. View from the top of Hoover Dam during construction
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41. Hoover Dam switchyard during construction
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42. Top of Hoover Dam during construction
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43. Looking downstream at Hoover Dam under construction
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44. Spillway and Hoover Dam during construction
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45. Hoover Dam during construction
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46. Hoover Dam during construction
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47. Power house during construction -- Hoover Dam
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48. Hoover Dam construction
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49. Construction of Hoover Dam diversion tunnel
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50. Construction workers inside Hoover Dam diversion tunnel
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