
1. Hoover Dam construction site, looking upstream
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2. Hoover Dam construction, looking upstream
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3. Hoover Dam construction, looking upstream
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4. Hoover Dam construction, looking upstream
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5. Hoover Dam construction, looking upstream
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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. Power house on Nevada side of Hoover Dam
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11. Black Canyon during dam construction
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12. Construction site at Hoover Dam
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13. Nevada spillway during construction of Hoover Dam
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14. Hoover Dam during construction
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15. Hoover Dam under construction
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16. Hoover Dam during construction
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17. Hoover Dam under construction
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18. Himix Concrete Plant at Hoover Dam site
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19. Close-up of Hoover Dam construction
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20. Aerial photo of Hoover Dam construction site
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21. Nevada power house at Hoover Dam construction site
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22. Downsteam view of Hoover Dam, showing power house construction
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23. Construction on the Nevada power house
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24. Construction view of Hoover Dam, looking downstream
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25. View of the power house and valve houses from top of Hoover Dam
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26. Upstream face and intake towers of Hoover Dam during construction
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27. View of Arizona spillway during construction
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28. Hoover Dam under construction
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29. Switchyard control circuit tunnel under construction -- Hoover Dam site
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30. View from the top of Hoover Dam during construction
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31. Hoover Dam switchyard during construction
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32. Looking downstream at Hoover Dam under construction
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33. Spillway and Hoover Dam during construction
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34. Hoover Dam during construction
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35. Hoover Dam during construction
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36. Power house during construction -- Hoover Dam
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37. Construction -- near Hoover Dam
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38. Hoover Dam construction -- various phases
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39. Upper portals -- Hoover Dam site
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40. Hoover Dam construction
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41. Construction of gravel plant near Hoover Dam site
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42. Hoover Dam cooling tower and refrigeration plant during construction
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43. Hoover Dam during construction
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44. View of power houses being constructed at the Hoover Dam site
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45. Hoover Dam construction
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