Search for exactly "Colorado River (Colo.-Mexico)"

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51. Aerial view of the Hoover Dam construction site viewed from downstream on the Colorado River
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52. Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam...
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53. Aerial view of the Hoover Dam construction site looking upstream on the Colorado River
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54. View of the Hoover Dam construction site looking downstream on the Colorado River
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55. Looking upstream toward the Nevada intake towers, showing the intake bridge girders in place.
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56. Aerial view of Hoover Dam, looking downstream from the Arizona side of Black Canyon
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57. Aerial view of Hoover Dam, looking upstream on the Colorado River
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58. View of Hoover Dam from the downstream side of the Colorado River
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59. Man on bank of Colorado River looking at water discharging from outlet works of the...
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60. Water discharging from the outlet works of the Arizona valve house into the Colorado River
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61. Upstream view of Black Canyon during early stage of Hoover Dam construction
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62. Blast scales down the canyon walls for the construction of the intake towers
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63. Blasting and construction on Hoover Dam
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64. Construction crews in Boulder Canyon
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65. Colorado River in Black Canyon
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66. Hoover Dam area and Colorado River
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67. Colorado River in Black Canyon at sunrise
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68. Boulder Canyon.
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69. Boulder Canyon.
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70. Aerial view of Colorado River in Boulder Canyon.
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71. Boulder Canyon
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72. Colorado River before Hoover Dam was built
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73. Colorado River question : shall natural resources create local or enlarge distant development?
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74. Construction -- walls of canyon
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75. Hoover Dam -- postcard
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76. Hoover Dam construction, looking upstream
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77. Completed downstream face of Hoover Dam, showing the power houses
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78. Sundown in Black Canyon at the Hoover Dam construction site
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79. Aerial view of the future site of Hoover Dam
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80. Aerial view of Hoover Dam site
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81. Hoover Dam from the downstream side with bridge and buildings
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82. View of Hoover Dam from the Nevada side, showing the dam, the intake towers, spillways,...
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83. Aerial view of Hoover Dam area
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84. Nevada Spillway open cut excavation
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85. Scalers -- Hoover Dam site
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86. Black Canyon prior to dam construction
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87. Hoover Dam -- diversion tunnels in use
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88. Bridge construction near Hoover Dam site
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89. Hoover Dam construction, looking upstream
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90. Hoover Dam construction, looking upstream
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91. Aerial view of Hoover Dam and surrounding area
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92. Hoover Dam construction site
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93. Hoover Dam construction, looking upstream
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94. Hoover Dam construction, looking upstream
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95. Lower portals of Diversion Tunnels No. 3 and No. 4, during the flood.
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96. Aerial view of the Hoover Dam construction site looking downstream from the Arizona side
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97. Aerial view of Hoover Dam
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98. Hoover Dam and surrounding area
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99. Hoover Dam construcion -- blasting
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100. Hoover Dam construction
 

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