
1. Cement plant -- Hoover Dam site
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2. Construction of Hoover Dam
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3. Construction of Hoover Dam
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4. Hoover Dam construction site, looking upstream
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5. Aerial view of the future site of Hoover Dam
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6. Hoover Dam construction site
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7. Construction of Hoover Dam
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8. Construction of Hoover Dam
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9. Night view of Hoover Dam under construction
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10. Construction of Hoover Dam
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11. Construction of Hoover Dam
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12. Hoover Dam, looking downstream
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13. Hoover Dam construction, looking upstream
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14. Hoover Dam construction from the downstream side
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15. High level concrete plant
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16. Hoover Dam construction, looking upstream
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17. Hoover Dam construction, looking upstream
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18. Hoover Dam construction, looking upstream
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19. Hoover Dam construction, looking upstream
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20. Hoover Dam construction, looking upstream
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21. Hoover Dam construction, looking upstream
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22. Hoover Dam construction, looking upstream
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23. Hoover Dam construction, looking upstream
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24. Power house on Nevada side of Hoover Dam
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25. Looking across the river at the lower portal of Diversion Tunnel No. 3.
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26. View of Hoover Dam construction, early stage
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27. Power substation during Hoover Dam construction
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28. Black Canyon during dam construction
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29. Diversion tunnels during Hoover Dam construction
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30. One of the construction sites in Boulder Canyon.
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31. Blasting at Hoover Dam construction site.
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32. Construction site at Hoover Dam
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33. Construction work at Hoover Dam site
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34. Hoist House and Nevada Anchorage, Government Cableway.
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35. Hoover Dam cooling tower and refrigeration plant during construction
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36. Nevada spillway during construction of Hoover Dam
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37. Hoover Dam construction
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38. Hoover Dam during construction
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39. Hoover Dam construction -- cooling tower and refrigeration plant
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40. Arizona spillway during construction of Hoover Dam
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41. Hoover Dam during construction
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42. Hoover Dam under construction
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43. Hoover Dam during construction
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44. Spillway weir under construction -- Hoover Dam site
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45. Hoover Dam construction
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46. Hoover Dam under construction
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47. Construction of diversion tunnels -- Hoover Dam site
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48. Close-up of Hoover Dam construction
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49. Nevada spillway weir section.
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50. Close-up of Hoover Dam concrete pouring construction taken from the Arizona side, looking downstream
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