Search for all of "equipment", all of "Construction Equipment", all of "Construction Workers"

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51. Excavation for downstream plug, Diversion Tunnel No. 3.
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52. Construction on Hoover Dam, looking downstream on the Colorado River
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53. View looking into power house block A-5.
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54. Closeup of cooling pipe layout in panel H-3.
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55. Excavation for bridge abutment in Arizona spillway.
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56. Looking downstream over the top of Hoover Dam
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57. Interior of penstock tunnel -- Hoover Dam construction site
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58. Unloading huge pipes -- Hoover Dam site
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59. Constructing highway to dam site
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60. Producing electricity at the construction site
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61. Building Black Canyon Highway to Hoover Dam site
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62. Construction workers at Hoover Dam.
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63. Construction at Hoover Dam
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64. Workers on the Colorado River
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65. Nevada power house at Hoover Dam construction site
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66. Downsteam view of Hoover Dam, showing power house construction
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67. Power house under construction - Hoover Dam site
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68. Interior view of a power house -- Hoover Dam construction site
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69. Power house under construction at Hoover Dam site
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70. Section of penstock pipe being lifted by cable
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71. Commemoration of the pouring of the second millionth cubic yard of concrete in Hoover Dam
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72. Construction on the no. 4 penstock raise
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73. Construction on the no. 4 penstock raise
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74. Construction on the four intake towers in Hoover Dam
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75. Construction on the Nevada and Arizona power houses in the downstream cofferdam below Hoover Dam
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76. Close-up of the Nevada powerhouse, showing the draft tubes.
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77. Construction in the no. 4 penstock raise
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78. Construction in the no. 1 penstock raise
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79. Close-up of formwork in the Arizona power house
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80. Construction on the Arizona power house
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81. Looking downstream on the Hoover Dam construction site
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82. Top of Hoover Dam, during construction
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83. Top of Hoover Dam, during construction
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84. View of bridge across Hoover Dam during construction
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85. View of Arizona spillway during construction
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86. Final pour in the slot, Hoover Dam
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87. Building of intake tower, Hoover Dam site
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88. Switchyard control circuit tunnel under construction -- Hoover Dam site
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89. Hoover Dam construction, looking down on top
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90. Intake towers during construction of Hoover Dam
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91. Construction at Hoover Dam, inside a tunnel
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92. View of no. 1 plug showing the arch and raise
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93. Nevada valve house roof, looking upstream.
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94. Switchyard control house, yard and present substation -- Hoover Dam site
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95. View inside a tunnel at Hoover Dam site
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96. Looking upstream at Hoover Dam during construction
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97. Top of Hoover Dam during construction
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98. Interior of Hoover Dam diversion tunnel during construction
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99. View of switchyard at Hoover Dam site
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100. View of construction on roads around the Arizona spillway
 

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