Search for all of "Black Canyon", all of "Black Canyon ariz And Nev", all of "Hoover Dam ariz And Nev -- Design And Construction"

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1. Black Canyon prior to dam construction
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2. Sundown in Black Canyon at the Hoover Dam construction site
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3. Looking up Black Canyon during construction of the diversion tunnels
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4. Looking up Black Canyon from the dam site
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5. Aerial view of sundown in Black Canyon at the Hoover Dam construction site
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6. Looking up Black Canyon during the construction of the diversion tunnels
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7. Black Canyon during dam construction
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8. Future Hoover Dam reservoir area seen from Black Canyon
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9. Black Canyon near spillway location
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10. Bucket skips being filled with "muck" from the deep inner gorge of Black Canyon.
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11. Floor of Black Canyon
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12. Aerial photo of Hoover Dam construction site
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13. View of Black Canyon
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14. Concrete pouring forms in the Hoover Dam construction site in Black Canyon
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15. Black Canyon
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16. Aerial view of Hoover Dam construction site looking upstream on the Colorado River
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17. Construction on the Arizona spillway and the no. 4 penstock raise in Black Canyon
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18. Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam...
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19. Looking downstream from the Arizona side of Black Canyon, showing the reservoir level at the...
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20. Black Canyon during early stages of dam construction
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21. Construction crews in Boulder Canyon
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22. Concrete pouring forms on the Hoover Dam construction site seen from downstream
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23. One of the construction sites in Boulder Canyon.
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24. Bridge across Boulder Canyon at Hoover Dam site.
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25. High scaling operations
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26. Hoover Dam Construction -- blasting
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27. Construction of Hoover Dam
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28. Hoover Dam construction site, looking upstream
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29. Aerial view of the future site of Hoover Dam
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30. Hoover Dam construction site
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31. Hoover Dam construction
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32. Construction of Hoover Dam
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33. Hoover Dam site, looking downstream
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34. First concrete in Hoover Dam
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35. Hoover Dam, looking upstream
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36. Hoover Dam, looking downstream
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37. Hoover Dam construction, looking upstream
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38. Penstock tunnel, Hoover Dam
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39. Low mix concrete plant
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40. Hoover Dam construction, looking upstream
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41. Hoover Dam construction, looking upstream
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42. Hoover Dam construction, looking upstream
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43. Hoover Dam construction, looking upstream
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44. Hoover Dam construction, looking upstream
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45. Hoover Dam construction, looking upstream
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46. Hoover Dam construction, looking upstream
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47. Hoover Dam construction, looking upstream
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48. Power house construction
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49. Hoover Dam from Lookout Point on the Nevada side with cars in foreground
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50. Hoover Dam from Lookout Point on the Nevada side
 

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