Search for all of "Colorado River"

Grid | List | Tile

      Title Description
51 Object thumbnail
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...
52 Object thumbnail
Aerial view of Hoover Dam construction site looking upstream on the Colorado River Aerial view of Hoover Dam construction site looking upstream on the Colorado River in Black Canyon. Concrete pouring forms are seen around the dam wall in the center of the picture. Buildings, vehicles and roads are seen in the river...
53 Object thumbnail
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...
54 Object thumbnail
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...
55 Object thumbnail
Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River Aerial view of Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. A cooling tower is seen in the foreground. The partially finished dam face is covered with concrete pouring forms and other construction equipment....
56 Object thumbnail
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...
57 Object thumbnail
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...
58 Object thumbnail
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...
59 Object thumbnail
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. Construction on the power houses in the lower cofferdam is seen in the foreground. The roof of a temporary building is seen in...
60 Object thumbnail
Colorado River above Black Canyon before construction of Hoover Dam View of the Colorado River above Black Canyon prior to the construction of Hoover Dam.
61 Object thumbnail
Diversion of the Colorado River into diversion tunnel no. 1 as the gate on diversion... View of the diversion of the Colorado River into diversion tunnel no. 1 as the gate on diversion tunnel no. 4 is being lowered (on the left). A line of construction workers can be seen standing on the bank of...
62 Object thumbnail
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...
63 Object thumbnail
Aerial view of Hoover Dam, looking upstream on the Colorado River Aerial view of the Hoover Dam construction site in Black Canyon. Visible are the spillways, intake towers, dam face, diversion tunnels and construction on the power houses. Temporary buildings are seen in the cofferdam downstream of the dam face. The...
64 Object thumbnail
View of Hoover Dam from downstream on the Colorado River View of Hoover Dam from downstream on the Colorado River. The Nevada power house is vivisble on the left, and water is being discharged from the outlet works of the Arizona valve house on the right. The diversion tunnel portals...
65 Object thumbnail
View of Hoover Dam from downstream on the Colorado River View of Hoover Dam from downstream on the Colorado River. The Nevada and central power houses are seen at the base of the dam face. Water is discharged from the outlet works of the Arizona valve house on the right....
66 Object thumbnail
Man on bank of Colorado River looking at water discharging from outlet works of the... A man crouches on the bank of the Colorado River on the downstream side of Hoover Dam watching water discharging from the outlet works of the Nevada valve house.
67 Object thumbnail
View of water discharging from the Nevada and Arizona outlet works into the Colorado River View of Hoover Dam from downstream on the Colorado River. Water is being discharged from the Nevada and Arizona outlet works in the valve houses. The diversion tunnel portals and a steel bridge are seen in the foreground. Cables are...
68 Object thumbnail
Construction -- walls of canyon Shows beginning stages of construction along the walls of Black Canyon. Some buildings are visible on the walls and the Colorado River is also visible.
69 Object thumbnail
Colorado River in early stages of Hoover Dam construction Shows the Colorado River and Black Canyon during the early stages of the construction of Hoover Dam. A temporary bridge spans the river and some construction workers are on the shore.
70 Object thumbnail
Water from the Colorado River Discusses the Boulder Canyon Dam Project (Hoover Dam) and the plan to bring water from the Colorado River to the fifteen cities of the Metropolitan Water District of Southern California by means of the Metropolitan Aqueduct. Includes illustrations and maps.
71 Object thumbnail
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...
72 Object thumbnail
Boulder Canyon floor after water from river had been diverted. A view of Black (not Boulder)Canyon floor after the Colorado River has been diverted. Construction scaffolding can be seen in the lower right of the photograph.
73 Object thumbnail
Aerial view of Hoover Dam and the surrounding area Aerial view of Hoover Dam from the upstream face. The intake towers are barely visible. Water can be seen flowing from the outlet works (on the other side of the dam) into the Colorado River. A portion...
74 Object thumbnail
Colorado River Boulder Canyon Project and the All-American Canal Arguments for and against the building of the Boulder Canyon Dam. Inlcudes map of the proposed area for the development in the U.S. southwest.
75 Object thumbnail
Proposal submitted to the delegates representing the States of California and Nevada in reference to... Outlines the proposed uses for water from the Colorado River for the states of California and Nevada.
76 Object thumbnail
Closeup of Upper Portals of Diversion Tunnels No. 3 and 4, showing flow in Diversion... The Colorado River begins its flow into diversion tunnel no. 4. The portals to both diversion tunnels no. 3 and 4 are seen.
77 Object thumbnail
Hoover Dam construction View of the construction of Hoover Dam, looking upstream. Shows concrete forms, high scaling equipment, construction roads, and a train winding along the side of the canyon. The Colorado River is visible above the construction site; various...
78 Object thumbnail
Hoover Dam during construction View of Hoover Dam site, looking upstream. A railroad winds along the canyon and the Colorado River is visible above the dam site. Buildings and structures, high scaling equipment, and concrete forms are also visible.
79 Object thumbnail
View of Hoover Dam construction from the top of the dam Shows Hoover Dam construction from the top of the dam looking down. The power house, valve houses, and lower portals of the diversion tunnels are visible. Various buildings and trucks are also shown. The Colorado River is...
80 Object thumbnail
Diversion tunnel under construction - Hoover Dam Exterior view of diversion tunnel at the Hoover Dam site during construction. Photo shows the Colorado River flowing through the tunnel and scaffolding around the partially constructed tunnel.
81 Object thumbnail
Upstream view of Black Canyon during early stage of Hoover Dam construction Aerial view looking upstream of the Colorado River in Black Canyon during the early stages of dam construction. Foot-bridge and truck bridge are visible spanning the Colorado River. Some construction fcilities and equipment are seen on dirt roads on...
82 Object thumbnail
Aerial view of Hoover Dam Aerial view of Hoover Dam looking downstream. Lake Mead, the Colorado River, and the crest of the dam are visible.
83 Object thumbnail
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.
84 Object thumbnail
Blast scales down the canyon walls for the construction of the intake towers This picture shows blasting in Black Canyon to scale down the canyon walls so that the intake towers can be built for Hoover Dam. Part of the river is visible.
85 Object thumbnail
Aerial view of Hoover Dam and surrounding area Aerial view of Hoover Dam and the surrounding area. Photo is actually a photograph of the area surrounding the dam with an artist's rendering of the dam, reservoir, powerhouses, and mouths of the diversion tunnels superimposed on it. It...
86 Object thumbnail
Aerial view of Hoover Dam Aerial view of Hoover Dam and the surrounding area showing Fortification Hill in the distance. An artist's rendering of the dam, the powerhouses, the mouths of the diversion tunnels, part of the Colorado River, and Lake Mead (the reservoir) have...
87 Object thumbnail
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.
88 Object thumbnail
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.
89 Object thumbnail
Hoover Dam construction View of construction of Hoover Dam from the upper portals. Hoisting machinery and an intake tower are visible. The Colorado River in Black Canyon can be seen also.
90 Object thumbnail
Aerial view of Hoover Dam and surrounding area Aerial view of Hoover Dam and the surrounding area showing the downward face of the dam, the intake towers, Lake Mead and a portion of the Colorado River. Water is flowing from the outlet works.
91 Object thumbnail
Aerial view of Hoover Dam site Aerial view of Hoover Dam and the surrounding area showing the downward face of the dam, the intake towers, Lake Mead and a portion of the Colorado River. Water is flowing from the outlet works.
92 Object thumbnail
Aerial view of Hoover Dam and surrounding area Aerial view of Hoover Dam and the surrounding area showing the downward face of the dam, the intake towers, Lake Mead (the reservoir) and a portion of the Colorado River. Fortification Hill is visible in the background. ...
93 Object thumbnail
Aerial view of the Hoover Dam area Aerial view of Hoover Dam showing Fortification Hill in the background. Lake Mead (the reservoir) and the Colorado River can be seen also.
94 Object thumbnail
Hoover Dam -- postcard Postcard showing aerial view of Hoover Dam and the surrounding area. This is a photo of the area surrounding the dam with an artist's rendering of the dam, Lake Mead (the reservoir), and the Colorado River superimposed on the...
95 Object thumbnail
Construction of Hoover Dam Shows the downward face of the dam during the latter stages of construction. Concrete pouring forms are visible on the face of the dam and on the power houses. There are several small buildings visible on the floor...
96 Object thumbnail
Aerial view of Hoover Dam Aerial view of Hoover Dam taken looking down almost over the top of the dam. The intake towers are visible on the upstream side of the dam. One of the power houses is seen on the other side and...
97 Object thumbnail
Penstock tunnel, Hoover Dam Aerial view of the Hoover Dam construction site on the Colorado River in Black Canyon. Cables are suspended across the canyon and a dirt road runs along the canyon floor. Early construction on a penstock tunnel can be...
98 Object thumbnail
Low mix concrete plant Aerial view of the Colorado River running through Black Canyon. The buildings and structures forming the low mix concrete plant are seen on the right side.
99 Object thumbnail
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.
100 Object thumbnail
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...
 

Subscribe to this Search