
1. Construction of Hoover Dam
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2. Hoover Dam construction site, looking upstream
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3. Construction of Hoover Dam
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4. Hoover Dam site, looking upstream
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5. Hoover Dam site, looking downstream
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6. Hoover Dam construction, looking upstream
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7. Hoover Dam construction, looking upstream
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8. Hoover Dam construction, looking upstream
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9. Hoover Dam construction, looking upstream
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10. Hoover Dam construction, looking upstream
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11. Hoover Dam construction, looking upstream
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12. Hoover Dam construction, looking upstream
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13. Hoover Dam construction, looking upstream
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14. Black Canyon during dam construction
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15. Construction crews in Boulder Canyon.
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16. Aerial photo of Hoover Dam construction site
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17. Transport trucks at Hoover Dam site
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18. Preliminary construction at Hoover Dam site
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19. Hoover Dam construction
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20. Colorado River, early stages of dam construction
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21. Hoover Dam construction
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22. Hoover Dam construction
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23. Hoover Dam construction -- various phases
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24. Hoover Dam construction equipment
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25. Construction equipment -- Hoover Dam
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26. Hoover Dam construction
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27. Hoover Dam construction
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28. Early stages of construction of Hoover Dam
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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. Hoover Dam construction
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32. Aerial view -- Hoover Dam construction
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33. Hoover Dam, looking upstream
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34. Hoover Dam from Lookout Point on the Nevada side with cars in foreground
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35. Future Hoover Dam reservoir area seen from Black Canyon
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36. Blasting on the Arizona side of the cableway bench excavation
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37. Rock blasting in Black Canyon
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38. Black Canyon
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39. Workers on the Colorado River
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40. View of railroad tracks being laid at Hoover Dam site.
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41. Arizona Black Canyon highway consruction
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42. Tourists and film crew in Black Canyon
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43. High scalers -- Hoover Dam site
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44. Temporary cableway spanning the Colorado River near Lookout Point
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