Search for exactly "Railroad tracks"

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View of railroad tracks being laid at Hoover Dam site. A view of railroad tracks on the side of the mountain leading into a tunnel in the background. Both walls of the canyon are visable and the Colorado River is flowing through the bottom of the canyon. In the foreground...
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Hoover Dam construction site Shows Black Canyon and the Colorado River at the site of the construction of Hoover Dam. Some roads and railroad tracks are visible as well as buildings. Shown also are railroad cars and a temporary suspension bridge.
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Railroad cars transporting materials for Hoover Dam construction Shows railroad cars transporting materials for the construction of Hoover Dam. A man is standing on one of the railroad cars.
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Penstock pipes at Babcock & Wilcox Plant Shows the huge penstock pipes at the Babcock & Wilcox Plant near the site of Hoover Dam construction. A man is standing next to one of the pipes. A train engine is on the railroad tracks, inside one...
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Penstock pipes at Babcock & Wilcox Plant Shows a huge penstock pipe at the Babcock & Wilcox Plant near the site of Hoover Dam construction. Several workers are pictured, and a steam train engine is parked on the railroad tracks inside the huge pipe.
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Penstock pipe at Babcock & Wilcox Plant Shows giant penstock pipes at the Babcock & Wilcox Plant near the Hoover Dam construction site. Construction workers are visible standing next to one of the pipes, which is 30 feet in diameter. The pipe is on...
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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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Construction of gravel plant View of the gravel plant being constructed near the Hoover Dam site. Railroad tracks and a flatbed railroad car are visible.
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Cement plant -- Hoover Dam site View of the cement plant at the site of the construciton of Hoover Dam. A water tank and water pipes are visible as well as railroad tracks.
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Aerial view of the future site of Hoover Dam Shows Black Canyon and the Colorado River where Hoover Dam was later constructed. Some roads and railroad tracks are visible, as well as a small building.
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Boulder Canyon dam : the essence of the Swing-Johnson Bill ; Boulder Dam : from... Discussion of the proposals in Congress to create Boulder (Hoover) Dam. Includes maps and illustrations.
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Train loaded with gravel leaving the gravel pits Locomotive pulling several dump cars loaded with gravel, leaving the gravel pits. The desert and mountains are seen in the background.
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Diversion tunnels during Hoover Dam construction Photo shows the Arizona diversion tunnels during the construction of Hoover Dam. Two men, railroad trucks, a temporary bridge, some temporary structures and a cable over the canyon are also shown.
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Workers laying railroad track near Boulder Canyon Photo shows workers and machinery involved in laying railroad track near Boulder Canyon. There are several structures in the picture and mountains in the background.
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Construction site at Hoover Dam Photo shows various buildings and structures, railroad tracks, trucks and power lines. There is blasting taking place in the background between the mountains.
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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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Crews and equipment in Black Canyon at dam site A view of the Colorado River flowing through Black Canyon (not Boulder). In the foreground are air compressors and an open sided shed with a construction worker standing inside. There are tracks running along side of the shed following the...
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Highway near Boulder City View of a paved highway through the mountains near Boulder City. There is a railroad track running parallel to the highway on the left side of the photo. On the right side there is a dirt road leading off across...
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Hoover Dam construction View of construction workers working on Hoover Dam. They are building railroad tracks at the site. Equipment and a truck can be seen.
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Hoover Dam construction 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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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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Transport trucks at Hoover Dam site Shows transport trucks and construction workers in Black Canyon next to railroad tracks.
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Hydraulic turbine for Hoover Dam Shows a hydraulic turbine being transported to Hoover Dam. The sign on the turbine says "Hydraulic turbines, Boulder Dam, Allis Chalmers". A man is standing next to the turbine, which is fastened to a flat car (railroad car).
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Working on cofferdam -- Hoover Dam Handwritten inscription on back: "Unloading dirt for coffer dam" from railroad cars.
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Cement plant -- Hoover Dam site Shows the cement plant in Black Canyon at the Hoover Dam construction site. A train is visible on the tracks above the plant.
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Construction of gravel plant Shows the gravel plant under construction near the Hoover Dam site. Railroad tracks are visible also.
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Power houses being constructed at Hoover Dam Shows the concrete pouring forms for the base of the dam. The upper cofferdam is in the background. Cableways, buildings, construction workers and trucks are visible. A railroad track runs along the side of the wall of Black Canyon.
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Construction of Hoover Dam Handwritten inscription on back of photo: "Downstream face of Boulder Dam as seen from low level catwalk. Top forms at elevation 710." Shows the concrete forms for the face of the dam. Buildings and structures can be...
 

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