Search for all of "Construction w", all of "Black Canyon ariz And Nev"

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1. Lower portals of Diversion Tunnels No. 3 and No. 4, during the flood.
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2. Dragline loading gravel
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3. Construction of the highway which will cross the top of the dam
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4. Looking downstream on the Colorado River running through Black Canyon prior to construction of Hoover...
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5. Blasting in the walls of Black Canyon for intake tower construction
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6. High scalers preparing anchorages in Black Canyon
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7. Future Hoover Dam reservoir area seen from Black Canyon
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8. Dragline loading gravel into railroad side dump cars
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9. Man standing on trestle bridge on the Colorado River pointing at anchoring cables
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10. High scalers on the Nevada side of Black Canyon
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11. High scalers on the Nevada side of Black Canyon above the Colorado River
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12. Close-up of construction workers rigging a cableway over the Colorado River
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13. Construction workers on cableway transport over the Colorado River
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14. Panoramic view of the Upper Cofferdam, looking downstream
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15. Concrete pouring forms in the Hoover Dam construction site in Black Canyon
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16. Concrete pouring forms below a cofferdam in the Hoover Dam construction site
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17. Water flowing into Colorado River, June 16, 1933
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18. Aerial view of concrete pouring in the Hoover Dam construction site
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19. Concrete pouring forms in the Hoover Dam construction site
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20. Nevada Spillway, looking upstream.
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21. Construction of the bases of the Arizona intake towers
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22. Arizona intake tower derrick.
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23. Construction on the Nevada intake towers
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24. Construction on the upstream face of Hoover Dam
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25. View taken looking upstream on the Colorado River of the Hoover Dam construction site
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26. Aerial view of Hoover Dam construction site looking upstream on the Colorado River
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27. Construction of the Arizona power house foundations
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28. Construction on the foundation of the Arizona power house
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29. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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30. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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31. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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32. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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33. Construction on the Nevada intake towers
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34. Construction on the Arizona intake towers and spillway
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35. Construction on the Nevada power house
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36. Construction on the Arizona power house
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37. Construction on the power house footings
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38. Aerial photo of Hoover Dam construction site
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39. Aerial view of the Hoover Dam construction site looking upstream on the Colorado River
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40. Aerial view of the Hoover Dam construction site looking downstream from the Arizona side
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41. Hoover Dam construction site viewed from the downstream cofferdam
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42. Construction on the Arizona power house
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43. Aerial view of the Hoover Dam construction site viewed from downstream on the Colorado River
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44. Construction on the Arizona spillway
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45. Construction on the Arizona spillway and the no. 4 penstock raise in Black Canyon
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46. Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam...
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47. Aerial view of the Hoover Dam construction site looking upstream on the Colorado River
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48. Arizona Black Canyon highway consruction
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49. Panoramic view of Hoover Dam and area during construction
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50. Boulder Dam, Hoover Dam looking upstream from the Nevada side.
 

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