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Telephoto view of Nevada powerhouse units Concrete pouring forms are being put into place for the construction of the Nevada power house. Construction materials, construction equipment, temporary buildings, and ropes for high scaling are visible.
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Upstream face of Hoover Dam, looking downstream from the upstream cofferdam Upstream face of Hoover Dam when construction was still going on on the top of the dam and on the intake towers. The Arizona intake tower is on the left and the Nevada intake tower is on the right....
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Upstream face of Hoover Dam, and the Arizona intake towers Shows construction taking place on the Arizona intake towers and on the top of the dam. Catwalks, temporary buildings, the Colorado River, and construction equipment including derrick cranes are visible.
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Upstream face of Hoover Dam, and the Nevada intake towers Shows construction on the two Nevada intake towers. Also shows part of the upstream face of Hoover Dam with construction going on on the top of the dam. A cableway, construction equipment such as derrick cranes, and tunnel...
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Hoover Dam construction site viewed from downstream View of the Hoover Dam construction site in Black Canyon from downstream. Framework and concrete pouring forms are visible on the Nevada power house on the left, the Arizona power house on the right and the central portion of the...
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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 -- upstream face Close-up view of the upstream face of Hoover Dam and part of the power houses. Hoisting machinery is visible.
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Hoover Dam construction Shows a box car being lowered by hoist at Hoover Dam during construction. The power houses and intake towers are visible as well as the upstream face of the dam. A cableway stretches across the canyon, supporting the...
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High scaling operations View of Black Canyon with construction equipment on the canyon floor and cables suspended over the canyon. High scalers can be seen on the rock face on the left side of the photo.
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Blasting -- Hoover Dam site View of blasting at Black Canyon during construction of Hoover Dam. Part of the Colorado River is visible as are construction buildings and equipment on the side of the canyon.
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Hoover Dam construction Close-up view of upstream face of Hoover Dam and the power houses during construction.
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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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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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Hoover Dam workers on canyon floor Shows workers using drills on the floor of Black Canyon at the Hoover Dam construction site.
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Hoover Dam site -- workers welding Shows two workers welding at the Hoover Dam construction site.
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Close-up of cement bucket used at Hoover Dam site Close-up of 8 cubic yard capacity bucket used in placing concrete in dam forms. It is suspended by hoisting machinery. This photo is a postcard.
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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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Cement work -- Hoover Dam Shows a construction worker standing in concrete at the Hoover Dam construction site. Concrete forms can be seen as well as the huge bucket used to pour concrete into the forms. The bucket was lowered by hoisting machinery,...
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Inside a diversion tunnel -- Hoover Dam construction Shows a construction worker and power shovel inside a diversion tunnel at the Hoover Dam construction site.
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Workers in diversion tunnels -- Hoover Dam site Shows construction workers, truck, and power shovel inside a diversion tunnel at the Hoover Dam construction site. Electric lights illuminate the scene.
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Construction in diversion tunnel -- Hoover Dam View of the drilling jumbo working in one of the diversion tunnels during the construction of Hoover Dam.
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Construction of diversion tunnel at Hoover Dam Shows a drilling jumbo and other construction vehicles inside a diversion tunnel during the construction of Hoover Dam.
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Construction -- Hoover Dam -- Diversion tunnel Shows the construction of one of the diversion tunnels at Hoover Dam.
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Construction workers inside Hoover Dam diversion tunnel Shows a power shovel dumping concrete into a dump truck inside a diversion tunnel during the construction of Hoover Dam. Construction workers are visible at work.
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Construction -- near Hoover Dam Shows construction buildings, roads, and trucks in the mountains near the Hoover Dam site.
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Colorado River -- Hoover Dam site View looking down at the Colorado River in Black Canyon, the future site of Hoover Dam. Roads and buildings can be seen on the banks above the river and some construction equipment is visible.
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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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Upper portals -- Hoover Dam site Handwritten inscription on back of photo: "View at upper portals showing narrowed channel just prior to diversion". Construction roads, equipment, and workers are visible. Some buildings and trucks are also in the picture.
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Work on cofferdam -- Hoover Dam Shows men and trucks working on the cofferdam at the Hoover Dam site. Power shovels and other construction equipment are also visible.
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Hoover Dam construction View of the Hoover Dam construction site showing equipment being lowered by cable, buildings, and other construction equipment. The Colorado River is partially visible as is the cofferdam.
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Hoover Dam construction Shows construction equipment being lowered by cable at the site of Hoover Dam construction. Buildings, other construction equipment, and workers are visible.
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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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Cement plant at Hoover Dam site View of the cement plant at the Hoover Dam site. Cables, buildings, and other construction equipment are visible.
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Construction of gravel plant near Hoover Dam site Shows the construction of the gravel plant near the Hoover Dam site. A crane is lifing equipment. Construction workers, cars and trucks, and buildings can be seen.
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Construction worker operating a tractor during construction of Hoover Dam A construction worker is driving a caterpillar tractor in the rocks.
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Temporary cableway spanning the Colorado River near Lookout Point A temporary cableway filled with construction workers is poised above the Colorado River in Black Canyon near Lookout Point. The Arizona spillway operations are shown in the background.
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View showing method of finishing slabs in invert lining. Construction workers are operating machinery to finish slabs in the invert lining of a diversion tunnel 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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Close-up of trimming jumbo Shows construction workers on the trimming jumbo which was used to scale the walls of the diversion tunnels and remove projecting rock. The tunnel is at the Hoover Dam construction site.
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Construction bridges across the Colorado River This is a view of a truck loaded with equipment driving across a bridge spanning the Colorado River at Hoover Dam site. Construction workers and equipment are shown on the bank of the river. At the right is...
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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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Semi-tropical Nevada : a region of fertile soils and flowing wells Pamphlet discussing artesian wells and agriculture in Las vegas in the esrly 20th century. Includes illustrations.
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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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Spillway on Arizona side of Hoover Dam View of the spillway on the Arizona side of Hoover Dam, showing steel gates in position. Towers to supply electric power higher up the hill.
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Screened aggregate and sand in front of the gravel plant View of the gravel plant, with cars and trucks parked in the foreground. Piles of screened aggregate and sand are seen in the foreground, and a storage pile for raw aggregate is seen in the background. The mountains...
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Night view of the gravel plant Night view of the gravel plant, which is illuminated with electric lights. Piles of raw aggregate and a building stand in the foreground.
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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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Las Vegas, Nevada, where farming pays : the artesian belt of semi-tropic Nevada Booklet extols the benefits of moving to Las Vegas and Clark County, Nevada to farm and to live in the early decades of the 20th century. Contains black & white photos of farms, orchards, wells, Mt. Charleston, Fremont Street and...
 

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