Search for all of "Black Canyon", all of "Black Canyon ariz And Nev"

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101. Hoover Dam from Lookout Point on the Nevada side with cars in foreground
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102. Hoover Dam from Lookout Point on the Nevada side
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103. Hoover Dam from the downstream side
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104. Hoover Dam from the downstream side with bridge and buildings
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105. Hoover Dam under construction
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106. Lower portals of Diversion Tunnels No. 3 and No. 4, during the flood.
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107. Dragline loading gravel
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108. Construction of the highway which will cross the top of the dam
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109. View of Hoover Dam construction, early stage
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110. Low level concrete mixing plant seen from the Arizona side of the Colorado River
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111. Cape Horn on the Colorado River showing cliff buildings
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112. Diversion tunnels during Hoover Dam construction
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113. Blasting at Hoover Dam construction site.
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114. Blasting on the Arizona side of the cableway bench excavation
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115. Man standing on trestle bridge on the Colorado River pointing at anchoring cables
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116. Close-up of construction workers rigging a cableway over the Colorado River
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117. Construction workers on cableway transport over the Colorado River
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118. Panoramic view of the Upper Cofferdam, looking downstream
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119. Concrete pouring forms below a cofferdam in the Hoover Dam construction site
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120. Water flowing into Colorado River, June 16, 1933
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121. Aerial view of concrete pouring in the Hoover Dam construction site
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122. Concrete pouring forms in the Hoover Dam construction site
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123. Boulder Canyon.
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124. Construction workers on cliffs in Boulder Canyon.
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125. Boulder Canyon floor after water from river had been diverted.
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126. Construction workers at bottom of Boulder Canyon
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127. Nevada Spillway, looking upstream.
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128. Construction of the bases of the Arizona intake towers
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129. Arizona intake tower derrick.
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130. Construction on the Nevada intake towers
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131. Construction on the upstream face of Hoover Dam
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132. View taken looking upstream on the Colorado River of the Hoover Dam construction site
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133. Construction of the Arizona power house foundations
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134. Construction on the foundation of the Arizona power house
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135. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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136. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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137. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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138. Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River
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139. Construction on the Nevada intake towers
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140. Construction on the Arizona intake towers and spillway
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141. Construction on the Nevada power house
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142. Construction on the power house footings
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143. Producing electricity at the construction site
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144. Workers on the Colorado River
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145. View of railroad tracks being laid at Hoover Dam site.
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146. Aerial view of the Hoover Dam construction site looking upstream on the Colorado River
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147. Aerial view of the Hoover Dam construction site looking downstream from the Arizona side
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148. Hoover Dam construction site viewed from the downstream cofferdam
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149. Construction on the Arizona power house
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150. Aerial view of the Hoover Dam construction site viewed from downstream on the Colorado River
 

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