Search for exactly "Concrete"

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101. View of a power house at the Hoover Dam construction site
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102. Nevada power house at Hoover Dam construction site
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103. Downsteam view of Hoover Dam, showing power house construction
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104. View of power houses being constructed at the Hoover Dam site
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105. Power house under construction at Hoover Dam site
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106. Himix and cement blending plants -- Hoover Dam site
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107. Construction on the Arizona spillway
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108. Construction on the Nevada spillway
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109. Construction workers on the drum gates in the Arizona spillway
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110. Construction on the Nevada spillway
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111. Construction on the Arizona intake towers
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112. Construction on the Nevada intake towers
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113. View of Hoover Dam during construction
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114. Top of Hoover Dam, during construction
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115. Top of Hoover Dam, during construction
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116. View of the power house and valve houses from top of Hoover Dam
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117. View of bridge across Hoover Dam during construction
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118. Upstream face and intake towers of Hoover Dam during construction
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119. Hoover Dam construction, looking down on top
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120. View of valve house under construction -- Hoover Dam
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121. Intake towers during construction of Hoover Dam
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122. Hoover Dam during construction, looking downstream
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123. Hoover Dam construction -- looking into a raise
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124. Construction at Hoover Dam, inside a tunnel
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125. Construction of the Arizona power house
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126. Central section of the powerhouse
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127. Nevada powerhouse, showing the reinforcing and walls around the penstock openings
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128. Upper portal trashrack for diversion tunnel no. 1, on the Nevada side.
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129. Looking downstream into no. 4 raise, showing close-up of portal forms.
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130. Looking downstream into the Nevada spillway.
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131. View of no. 1 plug showing the arch and raise
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132. Looking upstream in Black Canyon, showing the downstream face of Boulder Dam.
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133. View showing installaion of 100-ft. drum gates in the Arizona spillway.
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134. View of the Nevada intake towers, taken from the Arizona side.
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135. Arizona intake towers and spillway
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136. Hoover Dam valve house under construction
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137. Hoover Dam valve house under construction
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138. Hoover Dam power house under construction
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139. View of no. 4 plug, Hoover Dam site
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140. Looking upstream at Hoover Dam during construction
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141. Arizona intake towers, from the Nevada side
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142. Hoover Dam during construction
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143. View taken from the side -- Hoover Dam construction
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144. Interior of tunnel during Hoover Dam construction
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145. Boulder Dam, Hoover Dam looking upstream from the Nevada side.
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146. Power house during construction -- Hoover Dam
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147. View of power house from above -- Hoover Dam site
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148. Looking upstream from the Arizona spillway gate house towards construction on the upstream abatement wall
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149. Steel rails on the roof of the Nevada valve house awaiting concrete pouring
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150. Arizona spillway bridge under construction
 

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