Search for all of "Tunnels", all of "Diversion Tunnels"

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51. Concrete lining inside diversion tunnel no. 3
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52. Concrete lining inside diversion tunnel no. 2
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53. Concrete side wall lining in diversion tunnel no. 3
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54. Detail of a sidewall jumbo inside diversion tunnel no. 3
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55. Interior of diversion tunnel during Hoover Dam construction
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56. Forms for transition at the downstream plug of Diversion Tunnel No. 2.
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57. Excavation for downstream plug, Diversion Tunnel No. 2.
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58. Excavation for downstream plug, Diversion Tunnel No. 3.
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59. Aerial view of Hoover Dam construction site looking upstream on the Colorado River
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60. Upper portal trashrack for diversion tunnel no. 1, on the Nevada side.
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61. Diversion tunnel no. 2, showing the pumpcrete line to the upstream plug
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62. View of no. 4 plug, Hoover Dam site
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63. Construction inside tunnel, Hoover Dam site
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64. Interior of diversion tunnel showing pipe
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65. Interior of tunnel during Hoover Dam construction
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66. Interior of Hoover Dam diversion tunnel during construction
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67. Interior of diversion tunnel during Hoover Dam construction
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68. Diversion tunnel no. 1 trashrack and counterweight assembly just prior to the diverting of the...
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69. Looking upstream toward no. 1 upstream plug, showing approximately 7,100 second feet of water being...
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70. Diversion tunnel under construction - Hoover Dam
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71. Hoover Dam -- downstream face
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72. View of Hoover Dam from downstream on the Colorado River
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73. View of Hoover Dam from downstream on the Colorado River
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74. Hoover Dam from the downstream side
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75. Hoover Dam from downstream side
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76. Aerial view of Hoover Dam
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77. Outlet works -- Hoover Dam
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78. Aerial view of Hoover Dam
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79. Aerial view of Hoover Dam
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80. Construction of Hoover Dam
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81. Looking upstream at the upper end of no. 1 plug, showing forms for the intake...
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82. Looking upstream into no. 1 plug, showing the placing of the high pressure valves and...
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83. Hoover Dam
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84. Dowstream face -- Hoover Dam
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85. Hoover Dam and surrounding area
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86. Construction -- Hoover Dam
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87. Hoover Dam construction
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88. Blasting at Hoover Dam site
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89. Inside a diversion tunnel -- Hoover Dam construction
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90. Construction in diversion tunnel -- Hoover Dam
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91. Construction of diversion tunnel at Hoover Dam
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92. Construction workers in diversion tunnel, Hoover Dam site
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93. Diversion tunnel under construction at Hoover Dam site
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94. Construction of Hoover Dam diversion tunnel
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95. Construction -- Hoover Dam -- Diversion tunnel
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96. Construction of Hoover Dam diversion tunnel
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97. Construction of Hoover Dam diversion tunnel and portal
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98. Construction of Hoover Dam
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99. Construction workers inside Hoover Dam diversion tunnel
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100. Portals, Hoover Dam construction
 

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