Search for all of "equipment", all of "Construction Equipment"

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251 Object thumbnail
Hoover Dam construction -- spillway View looking toward the Arizona spillway while it is under construction. Note the excavation for the float well supply line. Power shovels are visible.
252 Object thumbnail
View of construction on roads around the Arizona spillway View of construction on roads around the completed Arizona spillway, looking downstream on the Colorado River in Black Canyon. Curbs and guard rails are being installed. A dragline, two dump trucks and a temporary building are seen near the spillway....
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Interior of the Nevada valve house Interior view of the Nevada valve house. Construction scaffolding surrounds the installation of the needle valves and gates. Two construction workers can be seen in the rear at an unfinished opening to the valve house.
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Steel rails on the roof of the Nevada valve house awaiting concrete pouring View of steel rails on the roof of the Nevada valve house, ready for pouring concrete slab. Two construction workers are seen in the distance near the canyon wall.
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Looking into the Arizona spillway raise. View of construction inside the Arizona spillway raise. A concrete-pouring jumbo on tracks is being used for grouting. Other concrete pouring forms can be seen on the interior spillway walls.
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Arizona spillway bridge under construction View of construction on the bridge above the Arizona spillway. Concrete pouring forms are in place and an electric dragline sits above the spillway on the top left. The walls of Black Canyon are seen in the background.
257 Object thumbnail
Construction on the Nevada spillway A construction worker stands in front of a fence above the Nevada spillway. Construction on one of the intake towers can be seen in the upper left. Concrete pouring forms, other construction equipment and temporary buildings can be seen in...
258 Object thumbnail
Overhead view of construction on the Arizona valve house Overhead view from a cableway of concrete pouring forms during construction of the Arizona valve house. A power shovel and several trucks can be seen in the cofferdam at the right.
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View of the Hoover Dam costruction site from the lower cofferdam View of the Hoover Dam construction site, looking upstream from the lower cofferdam. The nearly-completed dam face is seen in the background, and cars and trucks are seen on dirt roads in the cofferdam. Scaffolding and concrete pouring forms are...
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Construction on the Nevada power house View of construction on the Nevada power house from the downstream cofferdam. Concrete pouring forms and steel framework stand on top of the power house foundation. The dam face can be seen in the upper right. Temporary buildings, construction...
261 Object thumbnail
Construction on the Arizona power house View from the downstream cofferdam of construction on the Arizona power house. Concrete pouring forms and steel framework stand on top of the power house foundation. The dam face and wall of Black Canyon can be seen in the background....
262 Object thumbnail
Water outlets at Hoover Dam during construction View of the outlet works spewing water. This photo was taken while the dam was still under construction and shows cables, construction equipment and workers.
263 Object thumbnail
Arizona valve house viewed from the Nevada side of Hoover Dam View of the Arizona valve house built into the wall of Black Canyon. Remnants of scaffolding and construction equipment can be seen around the valve house.
264 Object thumbnail
Construction on the power houses viewed from the valve house catwalk View of construction on the Nevada and Arizona power houses, taken from the valve house catwalk in the lower cofferdam. The dam face is seen in the background. Concrete pouring forms are visible on the power houses. Temporary buildings, construction...
265 Object thumbnail
Close-up of construction on the Nevada valve house Close-up of construction on the Nevada valve house. Scaffolding and temporary stairways are seen outside the structure. Lumber lies inside unfinished portals.
266 Object thumbnail
Close-up of construction on the Nevada power house Close-up of construction on the Nevada power house. Concrete pouring forms and other construction equipment are seen around the structure. An electric dragline is seen on top of the pouring forms.
267 Object thumbnail
Close-up of construction on the central section of the power house Close-up of construction on the central section and a portion of the Nevada side of the power house, directly below the dam face. Concrete pouring forms and other construction equipment are seen around the structures.
268 Object thumbnail
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...
269 Object thumbnail
View from the top of Hoover Dam of construction on the power houses View from the top of Hoover Dam of construction on the power houses in the lower cofferdam. Construction on the Arizona power house in the wall of Black Canyon can also be seen in the upper left. Temporary buildings and...
270 Object thumbnail
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,...
271 Object thumbnail
Interior of low-level concrete mixing plant Interior of the main batching and mixer control station, low-level concrete mixing plant. The operator at this station controls the charging of all aggregates, cement and water into two mixers and also controls discharge of the mixers.
272 Object thumbnail
View of the Hoover Dam construction site looking downstream on the Colorado River View of the Hoover Dam construction site looking downstream on the Colorado River in Black Canyon. The nearly-completed dam face, intake towers and spillways are seen. Cableways run over the canyon above the dam face and remaining construction equipment is...
273 Object thumbnail
Construction on the roadway on top of Hoover Dam View of construction of the roadway on the top of Hoover Dam. The Arizona intake towers and spillway are seen at the top of the picture. Construction workers and concrete pouring forms are seen at the top of the dam...
274 Object thumbnail
Looking upstream toward the Nevada intake towers, showing the intake bridge girders in place. View of construction on the Nevada intake towers and a portion of the roadway on the top of the dam face. Construction workers and concrete pouring forms are seen on the top of the dam face on the right. One...
275 Object thumbnail
Construction on the Nevada power house Construction on the Nevada power house. Concrete pouring forms are seen on top of the structure's foundation. A portion of the dam face is seen in the background. Temporary buildings, motor vehicles, electric draglines and construction equipment are seen on...
276 Object thumbnail
Construction on the Arizona power house Construction on the Arizona power house. A portion of the dam face is seen in the upper left. A construction worker stands on a dump truck in front of the power house and another worker is seen sitting on part...
277 Object thumbnail
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...
278 Object thumbnail
Construction on the power houses and valve houses viewed from the top of Hoover Dam View from the top of Hoover Dam of construction on the power houses in the lower cofferdam and on the valve houses in the walls of Black Canyon. Temporary buildings and construction equipment are seen on the cofferdam floor. Roof...
279 Object thumbnail
Crew working at Hoover Dam site This is a view of construction workers working on a tunnel at the Hoover Dam site. There are two construction workers standing to the side of a track leading from a tunnel in the side of the mountain. There is...
280 Object thumbnail
Construction crew at bottom of Boulder Canyon Construction crew busy making forms at the bottom of Black (not Boulder) Canyon. There are tracks leading into the water that is in the canyon and there is a couple of carts sitting on the tracks. Several of the...
281 Object thumbnail
Digging diversion tunnels at Hoover Dam. Construction workers digging diversion tunnels using construction equipment.
282 Object thumbnail
Hoover Dam -- downstream face Color transparency of the downstream face of the dam, showing the power house. Transmission tower for hyroelectric power and a cableway are visible.
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Hoover Dam spillway Close-up view of a spillway at Hoover Dam during construction. Hoisting machinery is visible on the mountain above.
284 Object thumbnail
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...
285 Object thumbnail
Hoover Dam -- upstream side Shows the upstream face of the dam, the intake towers, and construction equipment. There is a little water in the reservoir (Lake Mead).
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Hoover dam -- upstream side shows the upstream face of the dam, the intake towers, and construction equipment. There is a little water in the reservoir (Lake Mead). The Arizona spillway is also visible.
287 Object thumbnail
Hoover Dam -- intake towers Shows intake towers on upstream side of dam. Towers are almost completed. Coffer dam is still in place. Construction workers and construction equipment including derrick cranes are visible.
288 Object thumbnail
Spillway -- Hoover Dam Shows a spillway at Hoover Dam. This panoramic view shows the roads and mountains in the background and trucks and construction equipment in the area.
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Power house -- Hoover Dam View of the power house at Hoover Dam during construction. This photo was taken from above, looking down on the power house. A crane is lowering a piece of equipment to the cofferdam. Cables, trucks,...
290 Object thumbnail
Spillway construction, Hoover Dam, at night Night view of the construction of one of the spillways at Hoover Dam. The view looks straight down into the spillway and under the bridge which spans it. The scene is lit by electric lighting. Construction equipment...
291 Object thumbnail
Hoover Dam construction Over-view of the Hoover Dam construction. This telephoto view, taken from atop one of the mountains overlooking the construction site, shows the spillways, the intake towers, and the downstream face of the dam. The Colorado River is visible...
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Hoover Dam construction View of the upstream face of Hoover Dam during the latter stages of construction. The partially-constructed power houses are visible. Concrete pouring forms, cables, and the tops of the intake towers can be seen.
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Hoover Dam construction View of the upstream face of Hoover Dam during construction. The power houses are visible as are the tops of the intake towers. Cableways span the canyon high above the construction site.
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Construction on crest of Hoover Dam View of the concrete work on the crest of Hoover Dam. Men and construction equipment are visible.
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View of the concrete lining in the diversion tunnels Construction workers are pouring concrete to line the diversion tunnels. Lights illuminate the project. Huge buckets hang from a crane.
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Hoover Dam construction Close-up view of the concrete construction work on the crest of the dam. Partially completed intake tower is visible at upper left. Arizona spillway is also visible.
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Construction of Hoover Dam View of Hoover Dam under construction. A portal to a diversion tunnel is visible at lower left. The power houses can be seen as well as several buildings in the lower right of the photo on the cofferdam.
298 Object thumbnail
No. 5 intake tower finished to elevation 1232, showing curtain wall Shows construction on two of the intake towers. A construction worker is standing on the intake tower nearest the camera. Consturction with concrete pouring forms on the top of the dam is also visible as is construction equipment such...
299 Object thumbnail
Telephoto view looking downstream into the Arizona spillway, showing the construction of the spillway bridge Shows construction taking place on the bridge of the Arizona spillway. Construction materials, construction equipment such as a power shovel, a temporary building and stairways, and the ropes for high scaling are visible.
300 Object thumbnail
Agitators dumping concrete into buckets Construction workers are operating machinery (agitators) which dump concrete into buckets. Location is the interior of a diversion tunnel at the Hoover Dam construction site.
 

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