Search for exactly "Construction workers", all of "Buildings And Structures"

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1. Construction on the Nevada and Arizona power houses in the downstream cofferdam below Hoover Dam
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2. Construction on the Nevada spillway
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3. Hoover Dam construcion -- blasting
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4. Hoover Dam, looking downstream
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5. Worker inside drill sharpening station
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6. Nevada power house at Hoover Dam construction site
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7. Downsteam view of Hoover Dam, showing power house construction
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8. Power house under construction at Hoover Dam site
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9. Looking upstream at Hoover Dam during construction
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10. Hoover Dam construction
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11. Workers laying railroad track near Boulder Canyon
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12. Himix Concrete Plant at Hoover Dam site
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13. Construction of Hoover Dam
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14. Nevada spillway during construction of Hoover Dam
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15. Close-up of Hoover Dam concrete pouring construction taken from the Arizona side, looking downstream
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16. Construction on Hoover Dam, looking downstream on the Colorado River
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17. Bridge across Boulder Canyon at Hoover Dam site.
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18. Construction on the Arizona power house
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19. View of Arizona spillway during construction
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20. Switchyard control circuit tunnel under construction -- Hoover Dam site
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21. Construction of the Arizona power house
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22. View of construction on roads around the Arizona spillway
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23. Interior of the Nevada valve house
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24. Construction on the Arizona power house
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25. Construction on the power houses viewed from the valve house catwalk
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26. Panorama view, showing Six Companies Inc. work on the Arizona side of Black Canyon Highway.
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27. Portals, Hoover Dam construction
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28. Construction of Hoover Dam
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29. Upper portals -- Hoover Dam site
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30. Hoover Dam construction
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31. Construction of gravel plant near Hoover Dam site
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32. Construction at lower portal of Hoover Dam
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33. Power houses being constructed at Hoover Dam
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34. Construction of Hoover Dam
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35. Hoover Dam construction
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36. View of power houses being constructed at the Hoover Dam site
 

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