Search for all of "Buildings", all of "Construction Workers"

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

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