Search for all of "Colorado River", all of "Diversion Tunnels", all of "Hoover Dam ariz And Nev"

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Water flowing into Colorado River, June 16, 1933 The Colorado River flows out of the diversion tunnels in the Hoover Dam construction site in Black Canyon. Bridges are seen crossing the river and the canyon.
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View of Hoover Dam from the downstream side of the Colorado River View of Hoover Dam from downstream on the Colorado River. Water is being discharged from the outlet works of the Nevada valve house on the left. Part of the Nevada power house and the central power house are seen at...
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Water discharging from the Nevada and Arizona outlet works into the Colorado River View of water discharging from the Nevada and Arizona outlet works in the valve houses into the Colorado River downstream from Hoover Dam in Black Canyon. Diversion tunnel portals and a steel bridge are seen in the foreground. Two of...
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Gas-air shovel caught in the flooded Colorado River A stranded gas-air shovel is seen standing in the flooding of the Colorado River riverbed during construction on Hoover Dam. The mouth of one of the diversion tunnels is seen in the canyon wall in the background. Other construction equipment...
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Aerial view of Hoover Dam construction site looking upstream on the Colorado River Aerial view of Hoover Dam construction site looking upstream on the Colorado River in Black Canyon. Concrete pouring forms are seen around the dam wall in the center of the picture. Buildings, vehicles and roads are seen in the river...
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Diversion of the Colorado River into diversion tunnel no. 1 as the gate on diversion... View of the diversion of the Colorado River into diversion tunnel no. 1 as the gate on diversion tunnel no. 4 is being lowered (on the left). A line of construction workers can be seen standing on the bank of...
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Aerial view of Hoover Dam, looking upstream on the Colorado River Aerial view of the Hoover Dam construction site in Black Canyon. Visible are the spillways, intake towers, dam face, diversion tunnels and construction on the power houses. Temporary buildings are seen in the cofferdam downstream of the dam face. The...
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View of Hoover Dam from downstream on the Colorado River View of Hoover Dam from downstream on the Colorado River. The Nevada power house is vivisble on the left, and water is being discharged from the outlet works of the Arizona valve house on the right. The diversion tunnel portals...
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View of Hoover Dam from downstream on the Colorado River View of Hoover Dam from downstream on the Colorado River. The Nevada and central power houses are seen at the base of the dam face. Water is discharged from the outlet works of the Arizona valve house on the right....
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View of water discharging from the Nevada and Arizona outlet works into the Colorado River View of Hoover Dam from downstream on the Colorado River. Water is being discharged from the Nevada and Arizona outlet works in the valve houses. The diversion tunnel portals and a steel bridge are seen in the foreground. Cables are...
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Diversion tunnel under construction - Hoover Dam Exterior view of diversion tunnel at the Hoover Dam site during construction. Photo shows the Colorado River flowing through the tunnel and scaffolding around the partially constructed tunnel.
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Aerial view of Hoover Dam and surrounding area Aerial view of Hoover Dam and the surrounding area. Photo is actually a photograph of the area surrounding the dam with an artist's rendering of the dam, reservoir, powerhouses, and mouths of the diversion tunnels superimposed on it. It...
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Aerial view of Hoover Dam Aerial view of Hoover Dam and the surrounding area showing Fortification Hill in the distance. An artist's rendering of the dam, the powerhouses, the mouths of the diversion tunnels, part of the Colorado River, and Lake Mead (the reservoir) have...
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Lower portals of Diversion Tunnels No. 3 and No. 4, during the flood. View of the flooded Colorado River in Black Canyon during construction on Hoover Dam. The portals of diversion tunnels nos. 3 and 4 are seen in the canyon wall and bridges and catwalks cross the river. Some buildings...
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Looking across the river at the lower portal of Diversion Tunnel No. 3. View of the flooded Colorado River, facing the unfinished portal of diversion tunnel no. 3 during construction of Hoover Dam. A temporary building is seen on the riverbed in the flood waters.
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Partially washed-out truck bridge across from diversion tunnels View from a partially washed-out truck bridge, looking across the flooded Colorado River during construction of Hoover Dam. The mouths of two diversion tunnels are seen in the cliff wall in the background.
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Diversion tunnels under construction - Hoover Dam Exterior view of diversion tunnels at the Hoover Dam site during construction. Photo shows the Colorado River and scaffolding around the partially constructed tunnels.
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Hoover Dam -- downstream face Color transparency looking towards the downstream face of Hoover Dam. Part of the Colorado River and the portals to the diversion tunnels ares visible.
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Hoover Dam -- downstream face Color transparency of the downstream face of Hoover Dam. This panoramic view shows the portals of the diversion tunnels, the power house, the walls of Black Canyon, and the Colorado River.
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Hoover Dam from the downstream side View of face of dam showing water coming out of the outlet works on the Arizona side. A bridge, a cableway above the dam, the mouths of several diversion tunnels, the Nevada power house, and construction equipment are visible. The...
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Hoover Dam -- outlet works Shows the downstream face of the dam with the outlet works spewing water. The entrances to two of the diversion tunnels are visible. There is a dump truck parked on one of the side roads.
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Outlet works -- Hoover Dam Upstream view of Hoover Dam, showing the Arizona outlet works spewing water. The power houses and part of the entrance to one diversion tunnel are visible.
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Outlet works -- Hoover Dam Close-up view of the outlet works spewing water at the dam. Appears to have been taken at dusk. The entrances to two of the diversion tunnels are visible.
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Aerial view of Hoover Dam Aerial view of Hoover Dam and the surrounding area. Part of the Colorado River, Lake Mead, and Fortification Hill are visible. The outlet works are open, spewing water. Several of the portals of the diversion tunnels can...
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Hoover Dam Expansive view of Hoover Dam showing the power houses, the waters of the Colorado River below the power houses, two of the portals to the diversion tunnels, transmission towers on the cliffs above, and a cable across the top...
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Dowstream face -- Hoover Dam Photo taken from quite a distance down Black Canyon, showing the downstream face of the dam, the power houses, the Colorado River, and one of the portals of the diversion tunnels.
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Hoover Dam and surrounding area This is a re-touched photo of Hoover Dam and the surrounding area. The Colorado River can be seen below the power houses. The intake towers are visible behind the downstream face. The reservoir (Lake Mead) can be...
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Construction -- Hoover Dam View of the construction of Hoover Dam showing the upstream face, the power houses, and some of the portals to the diversion tunnels. Part of the Colorado River is visible.
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Hoover Dam construction View from a distance of Hoover Dam and the canyon. The upstream face, the power houses, and one of the portals to the diversion tunnels can be seen. There are buildings on the cofferdam and part of the...
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Blasting at Hoover Dam site View of construction in Black Canyon at the Hoover Dam site. Construction workers are standing by the railroad tracks looking at a dynamite blast that is taking place in the distance. The Colorado River is visible as...
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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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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 "Upstream toward lower portals." [hand-written inscription on back of photo] This view shows the Colorado River in Black Canyon during the early stages of the construction of Hoover Dam. A suspension bridge across the river can be...
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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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Looking up Hoover Dam during construction of the diversion tunnels Looking upstream on the Colorado River flowing through Black Canyon at the Hoover Dam construction site. Bridges and catwalks are suspended over the river and the newly-dug mouths of the diversion tunnels are seen on both sides of the canyon....
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Construction -- Hoover Dam Handwritten inscription on back of photo: "Rex motor mixer that has been picked off a white truck and being swung into position at tunnel #1 with load of cement." Shows hoisting machinery, railroad tracks, a steam locomotive, a...
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Looking up Black Canyon during construction of the diversion tunnels Looking upstream on the Colorado River flowing through Black Canyon at the Hoover Dam construction site. Bridges and catwalks are suspended over the river and the newly-dug mouths of the diversion tunnels are seen on both sides of the...
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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 Shows one of the portals to the diversion tunnels. A portion of the Colorado River is visible as well as construction workers and construction buildings.
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Hoover Dam construction Handwritten inscription on back of photo: "Looking upstream into Black Canyon toward Boulder damsite after river had been diverted thru diversion tunnels Nos. 3 and 4. Temporary back-wash dike seen immediately upstream from tunnel out..." Portals to...
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Hoover Dam -- diversion tunnels in use Downstream face of Hoover Dam showing water discharge from tunnel outlets. Dam is completed, power houses and part of the Colorado River are visible as well as a cableway above the canyon.
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Hoover Dam -- diversion tunnels in use Downstream face of the completed Hoover Dam with the diversion tunnels in use. The outlet works and power houses are visible. A cableway spans the canyon and some transmission towers are visible high up on the canyon walls....
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Looking up Black Canyon during the construction of the diversion tunnels View of the Colorado River running through Black Canyon at the Hoover Dam construction site. Workers can be seen walking over bridges and catwalks that are suspended over the river, and on dirt roads that run alongside the river. ...
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Aerial view of Hoover Dam Aerial view of Hoover Dam after completion. The diversion tunnels are in use and the downstream face of the dam and the power houses are visible. There are transmission towers on the canyon walls above and one of...
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Aerial view of Hoover Dam Aerial view of Hoover Dam after completion. The reservoir (Lake Mead) is visible behind the dam along with the intake towers. Below the dam, the diversion tunnels are in use and part of the Colorado River is visible....
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Aerial view of Hoover Dam Aerial view of Hoover Dam with the diversion tunnels in use. The power houses are visible as well as the portals to the diversion tunnels. A portion of the Colorado River can be seen.
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Aerial view of Hoover Dam and surrounding area Aerial view of the completed dam showing the downstream face and powerhouses. Lake Mead (reservoir) can be seen as it fills behind the dam. Water is spilling from the outlet works and one of the lower portals to...
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Aerial view of Hoover Dam and surrounding area Aerial view of Hoover Dam showing the upstream face, the power houses, one of the portals to a diversion tunnel, and the intake towers. Lake Mead (the reservoir) is filling and a portion of the Colorado River is also...
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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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