Search for exactly "Colorado River (Colo.-Mexico)"

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Partial proceedings of Conference of governors, commissioners and advisors of the states of Arizona, California,... Speech of Hon. Geo. H. Dern, governor of Utah -- Speech of U.S. Senator Key Pittman, of Nevada -- Resolution adopted by the conference requesting the President of the United States to notify Mexico that the water of the Colorado...
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Colorado River basin : hearings before the Committee on irrigation and reclamation, House of representatives,...
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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.
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Sunset on the Colorado River Sunset on the Colorado River looking downstream from the railroad bridge.
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Colorado River below Hoover Dam site Shows the Colorado River 12 miles below the Hoover Dam site. There are mountains in the background of the photo.
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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...
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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...
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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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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.
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Colorado River basin : hearings before the Committee on irrigation and reclamation, House of representatives,... Discussion on "a bill to provide for the protection and development of the Lower Colorado River Basin"; includes arguments regarding oil use and sustainability.
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Man on bank of Colorado River in Black Canyon A man carrying camping gear poses on the bank of the Colorado River in Black Canyon. This was taken 5 miles below the Hoover Dam site.
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View of Colorado River in Black Canyon Aerial view of the Colorado River in Black Canyon before Hoover Dam was built.
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Looking down Black Canyon on the Colorado River Aerial view of the Colorado River flowing through Black Canyon.
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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.
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Aerial view of Colorado River-Black Canyon Aerial view of the Colorado River in Black Canyon and the surrounding area.
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Downstream view of Hoover Dam construction site Viewpoint of dam construction from below the lower portals of the diversion tunnels. Muck disposal road shown on both sides of the river. Some trucks are visible in the foreground.
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Looking up Black Canyon from the dam site Upstream view of Black Canyon and the Colorado River from the Hoover Dam construction site. A temporary dirt road is seen on the left side of the canyon floor, along with some scaffolding. Stray lumber is floating by...
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Aerial view of Black Canyon and the Colorado River An aerial view of the Colorado River winding through Black Canyon, showing future site of Hoover Dam. Shows mountains surrounding the canyon and in the distance.
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Surveyors overlooking Black Canyon. Two surveyors pose as they are working high above Black Canyon. The Colorado River is visible far below.
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Blasting in Black Canyon seen from the Colorado River View of rock blasting in Black Canyon from downstream on the Colorado River.
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Close-up of construction workers rigging a cableway over the Colorado River Two construction workers are seen rigging a "skip," or platform, to a cableway above the Colorado River in Black Canyon. The skip will be used to cross the river above the canyon.
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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...
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Aerial view of Black Canyon and the Colorado River Aerial view of Black Canyon and the Colorado River, future site of Hoover Dam. Panoramic view of the mountains and surrounding countryside.
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Low level concrete mixing plant seen from the Arizona side of the Colorado River View taken from the cliffs on the Arizona side of the Colorado River of the low level concrete mixing plant. Roads and buildings are seen near the river bank on the Nevada side.
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"Crows Nest" overlooking Black Canyon and the Colorado Two men, possibly surveyors, standing on the edge of the canyon at an overlook known as "Crows Nest", overlooking the Hoover Dam site in Black Canyon. The Colorado River is visible below. Photo is actually a postcard.
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Rock blasting on the Arizona side of Black Canyon View of Black Canyon and the Colorado River; smoke and dust clouds fill the canyon at the site of rock blasting for the Arizona intake towers. A steel suspension bridge is seen crossing the river upstream.
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High scalers on the Nevada side of Black Canyon High scalers work on the canyon wall on the Nevada side of Black Canyon, excavating for construction of an intake tower. Bridges can be seen in the distance crossing the Colorado River.
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High scalers on the Nevada side of Black Canyon above the Colorado River Close-up of high scalers working on the Nevada side of Black Canyon, 700 feet above the Colorado River. Two bridges are seen crossing the river below.
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Aerial view of the upper cofferdam on the Colorado River in Black Canyon Aerial view of the upper cofferdam on the Colorado River in the Hoover Dam construction site in Black Canyon. Cables are seen crossing the canyon, and a small wooden shack is seen on the cliff face in the foreground.
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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...
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View of Hoover Dam with Fortification Hill in the background View of Hoover Dam and the Colorado River in Black Canyon. Water is being discharged from the outlet works of the Arizona valve house on the right. The peaks of the intake towers can be seen behind the dam face....
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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...
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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....
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Water being discharged from the outlet works of the valve houses in Hoover Dam View of Hoover Dam from downstream on the Colorado River in Black Canyon. The central power house is seen at the base of the dam face. Water is being discharged from outlet works of the valve houses on both the...
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Tourists and film crew in Black Canyon A wooden boat with a roof is sitting in the Colorado River tied to a boulder. There is also a wooden gangplank extending from the shore to the boat. The name of the boat is "Boulder". Two other...
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Water discharging from the Nevada and Arizona outlet works into the Colorado River View of water discharging from the Nevada and Arizona outlet works in the valve houses into the Colorado River downstream from Hoover Dam in Black Canyon. Diversion tunnel portals and a steel bridge are seen in the foreground. Two of...
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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...
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Concrete mixing plant in Black Canyon This picture shows a concrete mixing plant on the river bank at the Hoover Dam construction site in Black Canyon. It was taken with a telephoto lens.
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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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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...
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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...
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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....
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Looking downstream from the Arizona side of Black Canyon, showing the reservoir level at the... View of the Hoover Dam site looking downstream from the Arizona side of Black Canyon, showing the reservoir level (Lake Mead) at the base of the intake towers.
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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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Looking up Black Canyon 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...
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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...
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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...
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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...
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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...
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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...
 

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