Search for exactly "Construction", all of "Transportation"

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1. Hoover Dam construction -- various phases
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2. Construction workers inside Hoover Dam diversion tunnel
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3. Construction of gravel plant near Hoover Dam site
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4. Nevada spillway during construction of Hoover Dam
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5. Nevada power house at Hoover Dam construction site
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6. Downsteam view of Hoover Dam, showing power house construction
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7. Looking downstream on the Hoover Dam construction site
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8. Top of Hoover Dam, during construction
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9. View of Arizona spillway during construction
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10. Hoover Dam construction, looking down on top
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11. Construction of Hoover Dam diversion tunnel
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12. Upper portals -- Hoover Dam site
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13. Work on cofferdam -- Hoover Dam
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14. Construction bridges across the Colorado River
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15. Hoover Dam site, looking upstream
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16. Hoover Dam site, looking downstream
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17. Unloading huge pipes -- Hoover Dam site
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18. Final pour in the slot, Hoover Dam
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19. Switchyard control house, yard and present substation -- Hoover Dam site
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20. Hoover Dam switchyard during construction
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21. Hoover Dam construction
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22. Portals, Hoover Dam construction
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23. Construction -- near Hoover Dam
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24. Penstocks at Hoover Dam construction site
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25. Construction of Hoover Dam
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26. Hoover Dam construction equipment
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27. Construction equipment -- Hoover Dam
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28. Hoover Dam construction
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29. Construction at lower portal of Hoover Dam
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30. Construction of Hoover Dam
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31. Construction of Hoover Dam
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32. Hoover Dam construction site, looking upstream
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33. Hoover Dam construction, looking upstream
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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, looking upstream
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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. Hoover Dam construction, looking upstream
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40. Hoover Dam construction, looking upstream
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41. Black Canyon during dam construction
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42. Construction site at Hoover Dam
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43. Hoover Dam during construction
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44. Hoover Dam under construction
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45. Hoover Dam during construction
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46. Hoover Dam under construction
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47. Close-up of Hoover Dam construction
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48. Aerial photo of Hoover Dam construction site
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49. Construction on the Nevada power house
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50. Nevada intake towers, Hoover Dam construction site
 

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