Search for exactly "Construction workers"

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101. High scalers preparing anchorages in Black Canyon
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102. Himix Concrete Plant at Hoover Dam site
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103. Excavation for downstream plug, Diversion Tunnel No. 2.
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104. Interior of penstock tunnel -- Hoover Dam construction site
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105. Building Black Canyon Highway to Hoover Dam site
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106. Power house under construction - Hoover Dam site
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107. Top of Hoover Dam, during construction
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108. Labor strike during the building of Hoover Dam
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109. View of the concrete lining in the diversion tunnels
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110. Looking across the downstream face of Hoover Dam, showing the utility towers and elevator shaft
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111. Transport trucks at Hoover Dam site
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112. Penstocks at Hoover Dam construction site
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113. Penstock pipes at Babcock & Wilcox Plant
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114. Penstock pipes at Babcock & Wilcox Plant
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115. Penstock pipe at Babcock & Wilcox Plant
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116. Hydraulic turbine for Hoover Dam
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117. Diversion tunnel -- Hoover Dam
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118. Hoover Dam construction equipment
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119. Construction of Hoover Dam
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120. Construction of Hoover Dam
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121. Hoover Dam site, looking upstream
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122. Trash rack structure being installed in front of diversion tunnel no. 2
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123. Construction near the upper portals of diversion tunnels no. 1 and no. 2
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124. Side-wall jumbo inside diversion tunnel
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125. Bucket skips being filled with "muck" from the deep inner gorge of Black Canyon.
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126. Man standing on trestle bridge on the Colorado River pointing at anchoring cables
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127. High scalers on the Nevada side of Black Canyon
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128. High scalers on the Nevada side of Black Canyon above the Colorado River
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129. Dumping materials at temporary pile bridge to complete diversion of the Colorado River.
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130. Cut-off trench at upstream side of Hoover Dam.
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131. Concrete pouring forms below a cofferdam in the Hoover Dam construction site
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132. Trains on Elevation 720 Railroad Bench, hauling conrete to Hoover Dam.
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133. Nevada spillway during construction of Hoover Dam
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134. Men working on Hoover Dam.
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135. Men operating heavy equipment at Hoover Dam site.
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136. Boulder Canyon.
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137. Close-up of man working on construction of Hoover Dam.
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138. Floor of Black Canyon
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139. Black Canyon
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140. Forms for transition at the downstream plug of Diversion Tunnel No. 2.
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141. Close-up of Hoover Dam concrete pouring construction taken from the Arizona side, looking downstream
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142. Construction on Hoover Dam, looking downstream on the Colorado River
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143. View looking into power house block A-5.
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144. Excavation for bridge abutment in Arizona spillway.
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145. Looking downstream over the top of Hoover Dam
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146. Producing electricity at the construction site
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147. Laying pipe for Boulder City's water supply.
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148. Bridge across Boulder Canyon at Hoover Dam site.
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149. Interior view of a power house -- Hoover Dam construction site
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150. Section of penstock pipe being lifted by cable
 

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