Search for exactly "Concrete"

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Concrete plant Shows the blending plant on the side of Black Canyon; it is part of the Himix Concrete Plant.
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Himix Concrete Plant at Hoover Dam site View of the Himix Concrete Plant at the Hoover Dam site. The structure is mutli-storied and built into the side of the canyon. There is a flatbed truck with a cement bucket on the back and cement mixers...
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Train at Himix Concrete Plant -- Hoover Dam site View of a train carrying cars loaded with sand. The train trestle is visible as well as the bins at Himix Concrete Plant where rock and sand are dumped.
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First concrete in Hoover Dam Construction workers are pouring the first concrete for the foundation of Hoover Dam in the bottom of Black Canyon. Large bucket suspended from a crane is visible as well as the concrete frames for the pour.
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Pouring concrete on Hoover Dam Overhead view of construction on the dam wall. Concrete pouring forms and buckets are seen.
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Concrete bucket on flat car View of concrete pouring bucket suspended over railroad flat car.
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Low level concrete mixing plant seen from the Arizona side of the Colorado River View taken from the cliffs on the Arizona side of the Colorado River of the low level concrete mixing plant. Roads and buildings are seen near the river bank on the Nevada side.
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Third millionth cubic yard of concrete being lowered to Boulder Dam A concrete pouring bucket lowers the third millionth yard of concrete used in the construction of Hoover Dam. Cableways, the intake towers under construction, mountains, and construction workers are also visible.
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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.
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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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Concrete mixing plant in Black Canyon This picture shows a concrete mixing plant on the river bank at the Hoover Dam construction site in Black Canyon. It was taken with a telephoto lens.
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Concrete form construction work View of construction workers buidling wooden forms for concrete pouring on Hoover Dam. The concrete dam wall is partially finished, and framework surrounds the beginning construction of the intake towers.
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Concrete pouring forms on the Hoover Dam construction site seen from downstream Aerial view of multiple concrete pouring forms on Hoover Dam, seen from downstream on the Colorado River in Black Canyon. Cables, pulleys and catwalks are suspended over the river. Some construction equipment can been seen on the mountains.
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Concrete pouring forms and construction on the intake towers at Hoover Dam View of multiple concrete pouring forms and framework for the intake towers on Hoover Dam. Construction workers, equipment, roads and structures can be seen in Black Canyon, and the Colorado River can be seen in the distance.
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Low mix concrete plant Aerial view of the Colorado River running through Black Canyon. The buildings and structures forming the low mix concrete plant are seen on the right side.
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High level concrete plant View of the buildings and structures forming the high level concrete plant at the Hoover Dam construction site.
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Colorado River problem Discusses possible uses of the Colorado River for water supply, irrigation, and power. Also discusses flood control on the Colorado. Recommends a comprehensive plan for development. Reprinted from Transactions, American Society of Civil Engineers, v. 88. "Presented at the...
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Invert concrete pouring forms inside diversion tunnel Interior of a diversion tunnel, showing invert concrete pouring forms. Some construction workers can be seen in the foreground. The tunnel is illuminated by electric lights.
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Concrete lining inside diversion tunnel no. 3 View of the interior of diversion tunnel no. 3, showing the invert and side wall sections of three-feet thick concrete lining. The tunnel is illuminated by electric lights. Two construction workers stand inside the tunnel.
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Concrete lining inside diversion tunnel no. 2 View of the interior of diversion tunnel no. 2, showing the completed invert and side wall sections of concrete lining. The tunnel is illuminated by electric lights. On the tunnel floor, construction workers stand by a truck which is...
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Concrete side wall lining in diversion tunnel no. 3 View of the interior of diversion tunnel no. 3, showing completed side wall sections of concrete lining. The tunnel is illuminated by electric lights. Concrete pouring forms and a gantry crane are seen in the rear of the tunnel.
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Concrete pouring forms below a cofferdam in the Hoover Dam construction site Construction workers are seen working on the concrete pouring forms below a cofferdam in the Hoover Dam construction site. Concrete begins to set in the forms. A dragline can be seen in the distance and lines for high scalers are...
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Aerial view of concrete pouring in the Hoover Dam construction site Aerial view of the Hoover Dam construction site in Black Canyon showing multiple concrete pouring forms. Various trucks and vehicles are seen on the canyon floor and a temporary railway bench is seen on the cliff wall on the left...
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Concrete pouring forms in the Hoover Dam construction site View of multiple concrete pouring forms in the Hoover Dam construction site in Black Canyon. A concrete pouring bucket is suspended over the site by a cableway. A temporary railway bench is seen in the canyon wall in...
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Close-up of Hoover Dam concrete pouring construction taken from the Arizona side, looking downstream View from donwstream on the Arizona side of the Colorado River of concrete pouring construction on Hoover Dam. Construction workers are seen amid multiple concrete pouring forms and scaffolding. A suspended concrete pouring bucket is seen in the middle...
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Construction on the foundation of the Arizona power house View of construction on the foundations of the Arizona power house in the Colorado River bed in Black Canyon. Concrete pouring forms stand in the river bed below the partially finished face of Hoover Dam, and other construction equipment can...
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Forms for Arizona power house retaining wall. Close-up of the concrete pouring forms for the Arizona power house retaining wall. Some concrete has already been poured. Temporary buildings, construction workers and vehicles can be seen in the background at the foot of the Hoover Dam face.
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Himix concrete mixing plant View of the Himix concrete mixing plant building and silos at the Hoover Dam construction site. The railroad bench for transportation of buckets of concrete can be seen on the wall of Black Canyon above the plant. The corner of...
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Concrete pouring forms inside lower no. 2 plug Interior of lower no. 2 plug, illuminated by electric lighting. Concrete pouring forms for an arch and walls are seen. Other construction equipment is seen on the tunnel floor. A "700" is marked on the rock near the roof...
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Looking downstream over the top of Hoover Dam Aerial view looking over the top of construction on the face of Hoover Dam. Construction workers can be seen amid concrete pouring forms and other construction equipment. A railroad bench for transportation of concrete can be seen in the lower...
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Aerial photo of Hoover Dam construction site This aerial photo shows various parts of the dam under construction. Cableways, an overhead tram, various buildings and structures, railroad tracks, trestles, and concrete forms are visible. Also shows the Arizona spillway, Arizona intake towers, the Himix plant...
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Aerial view of the Hoover Dam construction site looking downstream from the Arizona side Aerial view of the Hoover Dam construction site, looking downstream on the Colorado River in Black Canyon. Construction on the intake towers on both sides of the dam face is shown. The top of the dam face is covered with...
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Commemoration of the pouring of the second millionth cubic yard of concrete in Hoover Dam Hoover Dam construction workers observe as Six Companies officials stand in the construction site by a concrete pouring bucket which bears a sign reading: "United States Dept. of Interior, Bureau of Reclamation, Boulder Canyon Project. Pouring 2nd millionth cu. yd....
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Aerial view of construction on the top of Hoover Dam Aerial view of construction on the top of the Hovoer Dam. Construction workers watch as a concrete pouring bucket, seen on the left side of the picture, is hoisted over the site. The Arizona intake towers are visible in the...
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Final pour in the slot, Hoover Dam Shows construction workers making the final pour in the slot. Several men are working, the others supervising. A truck and cement mixer are visible. In the bakcground a portion of an intake tower can be seen.
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Pipe gallery of the Nevada power house Shows beams and concrete pouring forms in the pipe gallery of the Nevada power house under construction.
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Diversion tunnel no. 2, showing the pumpcrete line to the upstream plug Shows the concrete pipe line from the pumpcrete gun to the upstream plug in diversion tunnel no. 2. Some construction workers are visible.
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Number 3 plug and raise Number three plug and raise with the plug concrete in place. Also shows construction equipment.
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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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First 40 foot slab of concrete poured in lining diversion tunnels This is a view of the interior of a diversion tunnel when the first 40 foot concrete slab was poured to line the tunnel during construction of Hoover Dam. Lights illuminate the scene and a construction worker can be...
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Pouring concrete -- Hoover Dam Shows construction workers pouring concrete at Hoover Dam. The huge bucket for pouring concrete and concrete forms are visible. This photo is a postcard.
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Hoover Dam -- Cement work Shows two construction workers doing concrete work at the Hoover Dam site.
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Trucks hauling concrete in the diversion tunnel This photo shows trucks and equipment used for hauling and pouring concrete to form the invert lining in a diversion tunnel at Hoover Dam. Also shows some construction workers.
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Construction of Hoover Dam View of construction on the canyon floor of Black Canyon. Trucks and roads are visible. Some buildings can be seen also. The concrete pouring forms and a cofferdam are also visible.
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Hoover Dam construction Shows construction of Hoover Dam from the downstream side. Concrete pouring forms are shown as the face of the dam takes shape. One of the intake towers is under construction. A temporary suspension bridge is visible and...
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Hoover Dam construction Construction photo showing concrete pouring forms on the face of the dam and on the power houses. The Colorado River is visible behind the dam and two of the intake towers behind the dam can be seen. There...
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Hoover Dam construction Construction photo showing concrete pouring forms on the face of the dam and on the power houses. The colorado River is visible behind the dam and two of the intake towers behind the dam can be seen. ...
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Hoover Dam construction site, looking upstream This is a view of the wooden concrete forms used in the construction of Hoover Dam, looking upstream. Buildings and vehicles are visible. The photo was taken from high above the site.
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Construction of Hoover Dam Shows the downward face of the dam during the latter stages of construction. Concrete pouring forms are visible on the face of the dam and on the power houses. There are several small buildings visible on the floor...
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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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