Browse by Archive
UNLV Digital Collections
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Shows construction workers deep inside a tunnel at the Hoover Dam site. The scene is lit with electric lights and a railroad track is visible.
1935-03-04
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Shows the reinforcing framework for the Arizona power house and the locations for the turbine rooms, front room galleries, and penstocks. Some buildings, trucks, tunnel openings, and construction workers are visible.
1934-10-30
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Shows the floor level of the powerhouse under construction. The number 2 adit car is in the extreme background. Construction workers are also visible.
1934-10-30
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Shows construction of the Nevada power house with reinforcing and the walls around the penstock openings. Also shows a pumpcrete machine in the butterfly valve gallery between the rock abutement and the turbine rooms.
1934-10-30
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Shows beams and concrete pouring forms in the pipe gallery of the Nevada power house under construction.
1934-10-30
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Shows the concrete pouring forms for the upper portal trashrack for diversion tunnel no. 1 on the Nevada side.
1934-10-30
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Shows the concrete pipe line from the pumpcrete gun to the upstream plug in diversion tunnel no. 2. Some construction workers are visible.
1934-10-30
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Shows concrete pouring forms for the portal of no. 4 raise.
1934-10-25
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Shows construction on the spillway on the Nevada side. Shows derrick cranes, cables overhead, part of the dam, and the intake towers under construction.
1934-10-25
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Shows the face of the dam with construction going on on the intake towers and the power houses. Also shows cableways and mountains behind dam.
1934-12-03
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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.
1934-12-05
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Taken inside penstock tunnel no. 5, perspective to the left shows upstream view through the tunnel. Foreground shows manway tunnel angling down and to the right.
1934-04-28
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Shows the concrete pouring forms and the gunited portions of the arch and raise that goes into the Nevada spillway. Also shows construction equipment and construction workers.
1934-11-17
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Number three plug and raise with the plug concrete in place. Also shows construction equipment.
1934-11-17
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Aerial view of the dam under construction looking upstream from the Nevada side. Concrete pouring forms and scaffolding show along the face of the dam. Power houses under construction can be seen at the foot of the dam. Colorado river can be...
1934-04-30
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Right side of image shows three drum gates in varying stages of installation. Foreground gate is the most complete. Cable way can be seen across the top. Concrete forms are on the left.
1934-04-28
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View of two intake towers under construction. Left tower is further along than right. To far left can see temporary stairway going up the side of the canyon. In left foreground can see pouring forms for the dam itself. Himix and Lomix trestles...
1934-04-28
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Center of image shows two Arizona intake towers under construction. Right hand tower is more complete than left hand tower, which is just beginning to take shape. A crane is positioned above and between the towers. In right forground can see...
1934-04-27
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Shows the Arizona valve house being built. Construction equipment, buildings, cables and high scaling equipment are visible on the side of the canyon.
1935-04-25
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Shows the Nevada valve house being built at the Hoover Dam site. Note the forms for the roof beams being built. Buildings, construction equipment, bridges, and cables are visible.
1935-04-25
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Shows a power house at Hoover Dam being built. Note the Universal crane on top. The girder on the flat car has just been lowered by means of the government cableway. This photo was taken from the Nevada side of the canyon.
1935-04-25
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Shows work on the no. 4 plug inside a diversion tunnel at the Hoover Dam site. Electric lights illuminate the scene and construction equipment is visible. It shows the method of pouring concrete.
1935-04-26
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Shows the interior of the power house governor gallery. It is illuminated with electric lighting and pieces of lumber are lying on the floor.
1935-04-10
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Shows the interior of a power house turbine gallery during the construction of Hoover Dam.
1935-04-10
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Shows the interior of a power house pump gallery being constructed at Hoover Dam. Shows wiring and electric lights.
1935-04-10
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