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

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101. Interior of the Nevada valve house
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102. Steel rails on the roof of the Nevada valve house awaiting concrete pouring
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103. Construction on the Nevada spillway
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104. Construction on the Arizona power house
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105. Water outlets at Hoover Dam during construction
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106. Construction on the power houses viewed from the valve house catwalk
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107. Construction on the roadway on top of Hoover Dam
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108. Looking upstream toward the Nevada intake towers, showing the intake bridge girders in place.
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109. Construction on the Arizona power house
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110. Crew working at Hoover Dam site
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111. Construction crew at bottom of Boulder Canyon
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112. Digging diversion tunnels at Hoover Dam.
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113. Hoover Dam -- intake towers
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114. Construction on crest of Hoover Dam
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115. View of the concrete lining in the diversion tunnels
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116. No. 5 intake tower finished to elevation 1232, showing curtain wall
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117. Agitators dumping concrete into buckets
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118. Hoover Dam construction
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119. High scaling operations
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120. Hoover Dam construction
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121. Blasting at Hoover Dam site
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122. Hoover Dam construcion -- blasting
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123. Hoover Dam workers on canyon floor
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124. Hoover Dam site -- workers welding
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125. Pouring concrete -- Hoover Dam
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126. Cement work -- Hoover Dam
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127. Inside a diversion tunnel -- Hoover Dam construction
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128. Workers in diversion tunnels -- Hoover Dam site
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129. Construction workers inside Hoover Dam diversion tunnel
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130. Upper portals -- Hoover Dam site
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131. Work on cofferdam -- Hoover Dam
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132. Hoover Dam construction
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133. Construction of gravel plant near Hoover Dam site
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134. Construction worker operating a tractor during construction of Hoover Dam
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135. Temporary cableway spanning the Colorado River near Lookout Point
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136. View showing method of finishing slabs in invert lining.
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137. Trucks hauling concrete in the diversion tunnel
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138. Close-up of trimming jumbo
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139. Construction bridges across the Colorado River
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140. Concrete form construction work
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141. Bridge across Boulder Canyon at Hoover Dam site.
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142. View of power houses being constructed at the Hoover Dam site
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143. Cleanup site at lower portal of Hoover Dam
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144. Diversion of the Colorado River into diversion tunnel no. 1 as the gate on diversion...
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145. Panorama view, showing Six Companies Inc. work on the Arizona side of Black Canyon Highway.
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146. Looking across the downstream face of Hoover Dam, showing the utility towers and elevator shaft
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147. Construction workers in diversion tunnel, Hoover Dam site
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148. Construction of Hoover Dam diversion tunnel
 

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