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