Search for exactly "Construction equipment"

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101. Switchyard control house, yard and present substation -- Hoover Dam site
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102. Looking upstream at Hoover Dam during construction
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103. Top of Hoover Dam during construction
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104. View of switchyard during construction of Hoover Dam
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105. View of switchyard at Hoover Dam site
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106. Water outlets at Hoover Dam during construction
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107. Crew working at Hoover Dam site
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108. Construction crew at bottom of Boulder Canyon
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109. Construction on crest of Hoover Dam
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110. View of the concrete lining in the diversion tunnels
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111. Hoover Dam construction
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112. Upstream face of Hoover Dam, and the Nevada intake towers
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113. Blasting at Hoover Dam site
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114. Hoover Dam construcion -- blasting
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115. Hoover Dam construction
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116. Construction worker operating a tractor during construction of Hoover Dam
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117. Temporary cableway spanning the Colorado River near Lookout Point
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118. View showing method of finishing slabs in invert lining.
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119. Close-up of trimming jumbo
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120. Construction bridges across the Colorado River
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121. View of construction on roads around the Arizona spillway
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122. Interior of the Nevada valve house
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123. Putting in the ceiling on the Nevada side of the no. 2 diversion tunnel
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124. High level concrete plant
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125. Power house on Nevada side of Hoover Dam
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126. Dragline loading gravel into side-dump car
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127. Construction workers using a drilling jumbo inside a diversion tunnel
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128. Invert forms inside diversion tunnel no. 3
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129. Concrete side wall lining in diversion tunnel no. 3
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130. Steel form for diversion tunnel lining being hoisted over the Colorado River
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131. Construction scene at Hoover Dam site
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132. Construction workers with electric light reflectors standing by a truck in Black Canyon
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133. Dump trucks on temporary dike in front of portals of diversion tunnels no. 3 and...
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134. Concrete plant
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135. Spillway weir under construction -- Hoover Dam site
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136. Construction of Hoover Dam intake towers
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137. Excavation for downstream plug, Diversion Tunnel No. 3.
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138. Himix concrete mixing plant
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139. Concrete pouring forms inside lower no. 2 plug
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140. Closeup of cooling pipe layout in panel H-3.
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141. Nevada intake towers under construction
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142. Construction view of Hoover Dam, looking downstream
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143. Construction view of the valve house and portal area of Hoover Dam
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144. Construction on the power houses viewed from the valve house catwalk
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145. Interior of low-level concrete mixing plant
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146. Equipment at Hoover Dam site
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147. Spillway construction, Hoover Dam, at night
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148. Hoover Dam construction
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149. Hoover Dam construction
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150. Construction of Hoover Dam
 

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