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UNLV Digital Collections
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Shows men scaling the walls of Black Canyon to set dynamite blasts. Below and in the background buildings on the cofferdam are visible.
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Shows men scaling the walls of Black Canyon to set dynamite blasts. Below part of the Colorado River is visible.
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Shows men scaling the walls of Black Canyon to set dynamite blasts. In the background on the floor of the canyon buildings and trucks are visible.
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Shows men scaling the walls of Black Canyon to set dynamite blasts. There are trucks on a raod in the bottom of the canyon. This photo is a postcard.
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Shows a surveyor perched on the side of Black Canyon surveying the area preliminary to the construction of Hoover Dam. The Colorado River is visible below. On the back of the phot is hand-written "Rigger-rodman working with topographical survey...
1932-04-20
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Shows equipment being transported to the canyon floor at the Hoover Dam construction site. Cableways overhead extend across the canyon.
1933-04-02
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Shows workers using drills on the floor of Black Canyon at the Hoover Dam construction site.
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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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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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Shows two construction workers doing concrete work at the Hoover Dam site.
1933-08-31
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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, which is attached to...
1934-01-07
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Shows a construction worker and power shovel inside a diversion tunnel at the Hoover Dam construction site.
1932-03-07
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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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View of the drilling jumbo working in one of the diversion tunnels during the construction of Hoover Dam.
1932-01-28
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Shows a drilling jumbo and other construction vehicles inside a diversion tunnel during the construction of Hoover Dam.
1932-02-05
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Shows construction workers posing on the drilling jumbo inside a diversion tunnel during the construction of Hoover Dam. Other men are standing on the floor of the tunnel looking up at the jumbo. Electric lights illuminate the tunnel.
1932-04-12
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View of the interior of one of the diversion tunnels during construction at Hoover Dam. Electric lights illuminate the scene.
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View looking upstream through diversion tunnel no. 2 at intersection with inclined tunnel from upstream Nevada intake tower (inscription on back of photo). Shows concrete pouring forms and one construction worker standing looking up the tunnel...
1934-01-31
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Shows the construction of one of the diversion tunnels at Hoover Dam.
1933-01-30
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Shows a dump truck and construction workers framed at the mouth of a diversion tunnel during the construction of Hoover Dam.
1933-05-10
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"View of upper portals tunnel #1. showing R.R. trestle and gate works." (inscription on back of photo) Concrete pouring forms are visible in the diversion tunnel.
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Shows a truck and wood forms inside a diversion tunnel during the construction of Hoover Dam.
1931-01-08
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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.
1933-10-30
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"Shows men placing dynamite to flood entrance blocks away from #3 and #4 Arizona side."(inscription on back of photo) The portals to the diversion tunnels are visible. The Colorado River is shown below the portals and buildings and trucks are...
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