Search for all of "Tunnels", all of "Trucks", all of "Buildings And Structures"

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      Title Description
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Hoover Dam construcion -- blasting Shows the construction of Hoover Dam. One of the portals of the diversion tunnels is visible. Dynamite blasting is taking place in the canyon and trucks and various construction buildings are visible on the cofferdam. Also shows some...
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Construction of Hoover Dam Shows construction of Hoover Dam from the upstream side. Buildings and trucks are visible on the cofferdam. One of the portals to the diversion tunnels can be seen at lower left. The intake towers are rising...
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Construction of Hoover Dam Shows a panoramic view of the Hoover Dam site in Black Canyon. There are trucks and buildings visible on the floor of the canyon. One of the portals to the diversion tunnels is visible. The concrete pouring...
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Construction of Hoover Dam Shows the construction of Hoover Dam from the downstream side. The power houses are nearly completed and one of the portals to the diversion tunnels is visible. There are trucks and buildings on the floor of the canyon....
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Switchyard control circuit tunnel under construction -- Hoover Dam site Shows construction work on the switchyard control circuit tunnel. Various structures are visible, as well as roads, and automobiles. A power shovel is excavating. In the foreground is the power sub-station. The Babcock and Wilcox Company...
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Construction of the Arizona power house Shows the reinforcing framework for the Arizona power house and the locations for the turbine rooms, front room galleries, and penstocks. Some buildings, trucks, tunnel openings, and construction workers are visible.
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Hoover Dam during construction View looking upstream toward Hoover Dam. Alos shows the entrance to a tunnel and the powerhouses under construction. Trucks, cables, a cableway with trams, and other construction equipment can be seen.
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Portals, Hoover Dam construction "Shows men placing dynamite to flood entrance blocks away from #3 and #4 Arizona side."(inscription on back of photo) The portals to the diversion tunnels are visible. The Colorado River is shown below the portals and buildings and trucks...
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Hoover Dam construction -- various phases This postcard shows the construction of Hoover Dam in four different stages. All views were taken from the same point looking upstream. The first image shows Black Canyon and the Colorado River at the very beginning of construction...
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Construction of Hoover Dam "First load of muck used in coffer dam [sic]. Looking at Arizona portals #3 & #4. Water now flowing thru these." (hand-written inscription on back of photo) Shows a dump truck dumping the muck and construction...
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Hoover Dam construction Panoramic view of the Hoover Dam construction site. One of the lower portals to a division tunnel can be seen. Buildings, trucks, and the cofferdam are also visible. A portion of the Colorado River is...
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Hoover Dam construction Panoramic view of Black Canyon and Hoover Dam under construction. Two of the portals to the diversion tunnels are visible. The face of the dam is nearing completion and the concrete pouring forms can be seen. Part...
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Aerial view -- Hoover Dam construction Aerial view of Hoover Dam, Black Canyon, and the Colordo River during the construction of the dam. Two portals of the diversion tunnels are visible. There are trucks and buildings on the cofferdam. The face of the...
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Construction on the Nevada power house View of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. The partially finished dam face can be seen on the right, with concrete pouring forms and other construction equipment. Construction of the Nevada power...
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Construction on the Arizona power house View of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. The partially finished dam face can be seen on the left, with concrete pouring forms and other construction equipment. Construction of the Arizona power...
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View of Hoover Dam construction from the top of the dam Shows Hoover Dam construction from the top of the dam looking down. The power house, valve houses, and lower portals of the diversion tunnels are visible. Various buildings and trucks are also shown. The Colorado River is...
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Hoover Dam construction site, looking upstream from the lower portals road View of the Hoover Dam construction site in Black Canyon, showing the nearly-completed dam face and construction on the power houses in the lower cofferdam. Concrete pouring forms are seen on the tops of the power houses. Temporary buildings,...
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Construction on Hoover Dam and the power houses looking upstream from the lower portals road View of the Hoover Dam construction site in Black Canyon, showing the nearly-completed dam face and construction on the power houses in the lower cofferdam. Concrete pouring forms are seen on the tops of the power houses. Temporary buildings, construction...
 

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