Search for all of "Colorado River", all of "Construction Equipment", all of "Black Canyon ariz And Nev"

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	Title	Description
1	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.
2	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.
3	View taken looking upstream on the Colorado River of the Hoover Dam construction site	Aerial view taken looking upstream on the Colorado River in Black Canyon of the Hoover Dam construction site. Multiple concrete pouring forms and other construction equipment are seen on the dam face. Temporary buildings and a temporary bridge...
4	Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River	Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. Concrete pouring forms and other construction equipment are seen on the partially finished dam face and in the river bed below it. Unfinished...
5	Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River	Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. Concrete pouring forms and other construction equipment are seen on the partially finished dam face and in the river bed below it. The...
6	Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River	Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. The partially finished dam face is covered with concrete pouring forms and other construction equipment. Unfinished penstock openings are seen in the canyon...
7	Aerial view of the Hoover Dam construction site looking upstream on the Colorado River	Aerial view of the Hoover Dam construction site in Black Canyon. Construction on the intake towers is seen in the canyon walls behind the dam face and construction on the power houses is seen in the river bed in the...
8	Aerial view of the Hoover Dam construction site viewed from downstream on the Colorado River	Aerial view of the Hoover Dam construction site taken from downstream on the Colorado River in Black Canyon. Construction on the Nevada and Arizona power houses is shown in the foreground in the cofferdam. Concrete pouring forms cover the top...
9	View of the Hoover Dam construction site looking downstream on the Colorado River	View of the Hoover Dam construction site looking downstream on the Colorado River in Black Canyon. The nearly-completed dam face, intake towers and spillways are seen. Cableways run over the canyon above the dam face and remaining construction equipment is...
10	Hoover Dam construction, looking upstream	Upstream view of the Hoover Dam construction. Shows concrete forms, construction buildings, and a train winding along the edge of the canyon. The Colorado River is visible above the construction site.
11	Hoover Dam construction, looking upstream	View from on high of Hoover Dam construction, looking upstream. The Colorado River can be seen above the dam. Also shows concrete forms, a train winding along the side of the canyon, high scaling equipment, construction buildings, and...
12	Hoover Dam construction, looking upstream	Overhead view of the construction of Hoover Dam in Black Canyon. Looking upstream, the Colorado River is visible above the dam site. Also shows concrete forms, a train winding along the side of the canyon, and various construction...
13	Hoover Dam construction, looking upstream	Construction site of Hoover Dam in Black Canyon, looking upstream. Above the site is the Colorado River. Shows concrete forms, a train winding along the wall of the canyon, various construction buildings, hoisting machinery, and a cable suspended...
14	Hoover Dam construction, looking upstream	View of Hoover Dam construction site, looking upstream. Above the site is the Colorado River. There are concrete forms, construction buildings, hoisting machinery, and a cable high above the Black Canyon in the picture. There is also...
15	Hoover Dam construction, looking upstream	Construction photo of Hoover Dam in Black Canyon, showing the Colorado River above the dam site. Also shows concrete forms, a train winding along the canyon wall, high scaling and hoisting machinery, various construction buildings and a cable suspended...
16	Hoover Dam construction, looking upstream	Overhead view of the construction of Hoover Dam in Black Canyon with the Colorado River visible above the dam site. In the photo are concrete forms, various construction buildings, a train winding along the side of the canyon, high...
17	Hoover Dam under construction	View of Hoover Dam in the later stages of construction. The Colorado River can be seen above the dam. The intake towers now rise behind the dam and this view also shows concrete forms, hoisting equipment and...
18	One of the construction sites in Boulder Canyon.	Shows construction equipment, a boat, and various structures. Location is a rocky outcrop in Black Canyon (not Boulder Canyon) on the bank of the Colorado River.
19	Floor of Black Canyon	This shows a view looking down into Black (not Boulder) Canyon during early stages of construction of Hoover Dam. The Colorado River is in the process of being diverted and construction equipment and workers can be seen in the foreground.
20	Black Canyon	A view of the Colorado River flowing through Black (not Boulder) Canyon. On the right side of the canyon there is a road with two automobiles, some construction equipment, and a construction worker.
21	Arizona intake tower derrick.	View of construction on the Arizona intake towers, looking upstream on the Colorado River in Black Canyon. A derrick anchored in the intake tower base is seen above the canyon. A temporary bridge is also seen spanning the...
22	Producing electricity at the construction site	This photograph shows 3 construction workers observing electric generators being hauled up the river bank on wooden tracks through the use of pulleys and ropes. The backround of the picture shows the Colorado River flowing though Black Canyon.
23	Building Black Canyon Highway to Hoover Dam site	This is a view looking at the walls of Black Canyon with the Colorado River flowing below. In the foreground of the picture there is a ledge or trail cut into the side of the mountain and there is a...
24	Workers on the Colorado River	A view of construction workers towing a generator behind the boat that they are using to cross the Colorado River.
25	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...
26	Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam...	Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam face, which has concrete pouring forms on the top of it, the Arizona and Nevada spillways, and the unfinished Arizona intake towers. The Colorado Rivers...
27	Blasting and construction on Hoover Dam	Blasting in Black Canyon for construction. Construction equiqment can be seen along side the Colorado River.
28	Looking upstream toward the Nevada intake towers, showing the intake bridge girders in place.	View of construction on the Nevada intake towers and a portion of the roadway on the top of the dam face. Construction workers and concrete pouring forms are seen on the top of the dam face on the right. One...
29	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...
30	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...
31	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...
32	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...
33	Black Canyon prior to dam construction	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...
34	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...
35	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....
36	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.
37	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...
38	Hoover Dam construction, looking upstream	View of the construction of Hoover Dam, looking upstream. Shows concrete forms, various construction buildings, and high scaling equipment. Taken from high above, the Colorado River can be seen above the dam site.
39	Construction crew at bottom of Boulder Canyon	Construction crew busy making forms at the bottom of Black (not Boulder) Canyon. There are tracks leading into the water that is in the canyon and there is a couple of carts sitting on the tracks. Several of the...