Search for all of "equipment", all of "Hoover Dam ariz And Nev -- Design And Construction", all of "Construction Workers"

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1. Men operating heavy equipment at Hoover Dam site.
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2. Worker operating heavy equipment at Hoover Dam site.
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3. Hoover Dam construction equipment
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4. Six Companies' power shovel dumping dirt in dump truck in diversion tunnel at Hoover Dam...
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5. Hoover Dam site, looking upstream
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6. Crane transporting mixers in diversion tunnel at Hoover Dam site
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7. Hoover Dam site, looking downstream
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8. First concrete in Hoover Dam
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9. Hoover Dam, looking downstream
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10. Trash rack structure being installed in front of diversion tunnel no. 2
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11. Workers and drilling jumbo inside diversion tunnel no. 4
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12. Close-up of workers using a drilling jumbo inside a diversion tunnel
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13. Construction worker in bulldozer in front of diversion tunnel portal
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14. Construction workers using a drilling jumbo inside a diversion tunnel
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15. Bucket skips being filled with "muck" from the deep inner gorge of Black Canyon.
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16. Construction workers at Hoover Dam
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17. Construction scene at Hoover Dam site
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18. Cut-off trench at upstream side of Hoover Dam.
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19. Nevada spillway during construction of Hoover Dam
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20. Men working on Hoover Dam.
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21. Construction worker at Hoover Dam.
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22. Construction workers on cliffs in Boulder Canyon.
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23. Floor of Black Canyon
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24. Black Canyon
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25. Close-up of Hoover Dam concrete pouring construction taken from the Arizona side, looking downstream
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26. Construction on Hoover Dam, looking downstream on the Colorado River
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27. View looking into power house block A-5.
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28. Excavation for bridge abutment in Arizona spillway.
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29. Looking downstream over the top of Hoover Dam
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30. Interior of penstock tunnel -- Hoover Dam construction site
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31. Unloading huge pipes -- Hoover Dam site
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32. Constructing highway to dam site
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33. Construction workers at Hoover Dam.
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34. Construction at Hoover Dam
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35. Workers on the Colorado River
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36. Nevada power house at Hoover Dam construction site
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37. Downsteam view of Hoover Dam, showing power house construction
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38. Power house under construction - Hoover Dam site
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39. Interior view of a power house -- Hoover Dam construction site
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40. Power house under construction at Hoover Dam site
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41. Section of penstock pipe being lifted by cable
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42. Commemoration of the pouring of the second millionth cubic yard of concrete in Hoover Dam
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43. Construction on the no. 4 penstock raise
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44. Construction on the no. 4 penstock raise
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45. Construction on the four intake towers in Hoover Dam
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46. Construction on the Nevada and Arizona power houses in the downstream cofferdam below Hoover Dam
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47. Close-up of the Nevada powerhouse, showing the draft tubes.
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48. Construction in the no. 4 penstock raise
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49. Close-up of formwork in the Arizona power house
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50. Construction on the Arizona power house
 

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