Search for all of "Black Canyon", all of "Trucks", all of "Black Canyon ariz And Nev"

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1. Rock blasting in Black Canyon
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2. Panorama view, showing Six Companies Inc. work on the Arizona side of Black Canyon Highway.
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3. Black Canyon near spillway location
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4. Construction on the Arizona spillway and the no. 4 penstock raise in Black Canyon
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5. Construction crews in Boulder Canyon.
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6. Construction of Hoover Dam
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7. Construction of Hoover Dam
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8. Blasting on the Arizona side of the cableway bench excavation
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9. Panoramic view of the Upper Cofferdam, looking downstream
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10. Construction on the upstream face of Hoover Dam
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11. Construction of the Arizona power house foundations
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12. Construction on the Nevada power house
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13. View of construction on roads around the Arizona spillway
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14. Cement mixing plant at Hoover Dam construction site
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15. Hoover Dam construcion -- blasting
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16. High Scalers at Hoover Dam site
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17. High scalers -- Hoover Dam site
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18. Transport trucks at Hoover Dam site
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19. Preliminary construction at Hoover Dam site
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20. Hoover Dam construction
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21. Hoover Dam construction
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22. Hoover Dam construction -- various phases
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23. Hoover Dam construction equipment
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24. Construction equipment -- Hoover Dam
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25. Hoover Dam construction
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26. Early stages of construction of Hoover Dam
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27. Construction at lower portal of Hoover Dam
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28. Power houses being constructed at Hoover Dam
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29. Hoover Dam construction
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30. Aerial view -- Hoover Dam construction
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31. Construction on the Arizona power house
 

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