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551 Object thumbnail
Ferry landing on the Colorado River This shows a ferry landing on the Colorado River near Black Canyon. The far side shore is Kingman Wash, Arizona. There is an assortment of automobiles and people standing around waiting for the ferry to cross over from the other...
552 Object thumbnail
Highway near Boulder City View of a paved highway through the mountains near Boulder City. There is a railroad track running parallel to the highway on the left side of the photo. On the right side there is a dirt road leading off across...
553 Object thumbnail
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...
554 Object thumbnail
Man operating machinery at Hoover Dam site A man is seen operating machinery at the dam site.
555 Object thumbnail
Construction crews in Boulder Canyon A view of construction workers digging rocks and boulders on the side of Black (not Boulder) Canyon. The Colorado River is flowing through the bottom of the canyon.
556 Object thumbnail
Equipment at Hoover Dam site This photograph shows a view of a wooden frame enclosing a type of mechanical conveyer belt that is used to transport some type of material or tools at the dam site.
557 Object thumbnail
Blueprint layout of Hoover Dam. This is a photograph of a blueprint which shows the general layout of Hoover Dam. The photo includes a sectional elevation on center line of the river. Blueprint shows the dam, power plant, upper and lower cofferdam, intake towers, outlet...
558 Object thumbnail
Men operating heavy equipment at Hoover Dam site. There are two construction workers observing one worker operating construction equipment. The machinery appears to be digging a trench. There is a line of pipes standing vertically in the ground.
559 Object thumbnail
Machinery at Hoover Dam site (inside of building) This shows a room filled with machinery. In the center of the room are three motors that appear to be bolted to the floor. On the right side of the photo there are large wheel turning valves. The left side...
560 Object thumbnail
Highway near Boulder City This photograph shows a highway curving through the desert. There is a dirt road that appears to the left and there is a telephone/telegraph pole on the right. Rocky hills can be seen in the background.
561 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.
562 Object thumbnail
Construction in Black Canyon A view of the construction on the walls of Black (not Boulder)Canyon. There appears to be several tunnels dug into the canyon walls. Construction workers are standing on scaffolding in the left foreground of the picture. A track constructed of...
563 Object thumbnail
Crew operating construction equipment at Hoover Dam site Construction workers appear to be near the top of a canyon as they observe a coworker operating a power shovel which is being used to move rocks and boulders.
564 Object thumbnail
Hoover Dam -- downstream face Color transparency looking towards the downstream face of Hoover Dam. Part of the Colorado River and the portals to the diversion tunnels ares visible.
565 Object thumbnail
Hoover Dam -- downstream face Color transparency of the downstream face of Hoover Dam. This panoramic view shows the portals of the diversion tunnels, the power house, the walls of Black Canyon, and the Colorado River.
566 Object thumbnail
Hoover Dam -- downstream face Color transparency of the downstream face of Hoover Dam. Water is spewing from the outlet works and a rainbow is visible in the water spray.
567 Object thumbnail
Hoover Dam -- downstream face Color transparency of the downstream face of Hoover Dam. This view shows part of the power house, and the intake towers are visible above the face of the dam.
568 Object thumbnail
Hoover Dam -- downstream face Color transparency of the downstream face of the dam, showing the power house. Transmission tower for hyroelectric power and a cableway are visible.
569 Object thumbnail
Hoover Dam -- upstream face This color transparency is a panoramic view of the upstream face of the dam. The intake towers are visible in the almost filled reservoir (Lake Mead). The roads next to and across the dam have been completed. A...
570 Object thumbnail
Hoover Dam -- upstream face Color transparency of the upstream face of Hoover Dam, showing the intake towers, the reservoir (Lake Mead) and the surrounding mountains.
571 Object thumbnail
Hoover Dam -- upstream face Color transparency showing the upstream face of Hoover Dam, the intake towers, and the reservoir (Lake Mead). Cars are parked on the road across the dam and at a scenic overlook along the road leading across the dam.
572 Object thumbnail
Hoover Dam -- upstream face Color transparency showing panoramic view of Hoover Dam, the Colorado River, and Lake Mead. Fortification Hill is in the background.
573 Object thumbnail
Hoover Dam spillway Close-up view of a spillway at Hoover Dam during construction. Hoisting machinery is visible on the mountain above.
574 Object thumbnail
Hoover Dam spillway View from above the spillway bridge showing water spilling over. A bus and cars are parked on the bridge and there are cars parked at a scenic overlook next to the water.
575 Object thumbnail
Hoover Dam spillway View of a spillway and spillway bridge at Hoover Dam. The road across the bridge and the roads around the dam are visible. A car is crossing the bridge and there are cars parked at a scenic overlook....
576 Object thumbnail
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....
577 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...
578 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....
579 Object thumbnail
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...
580 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.
581 Object thumbnail
Water discharging from the outlet works of the Arizona valve house into the Colorado River View from downstream on the Colorado River of Hoover Dam. Water is discharging from the outlet works of the Arizona valve house on the right. The Nevada valve house and power house are seen on the left.
582 Object thumbnail
View of Hoover Dam from the downstream side of the Colorado River View of Hoover Dam from downstream on the Colorado River. Water is being discharged from the outlet works of the Nevada valve house on the left. Part of the Nevada power house and the central power house are seen at...
583 Object thumbnail
Hoover Dam -- top of dam This color transparency is a view of the top of the dam. The intake towers are visible and cars are driving on the road which crosses the dam. The reservoir (Lake Mead) is almost completely filled.
584 Object thumbnail
Top of Hoover Dam This color transparency shows the top of the dam, intake towers, a spillway, and the part of the upstream face of the dam. There are cars parked on the road across the top of the dam and the reservoir...
585 Object thumbnail
Aerial view of Hoover Dam This color transparency is an aerial view looking upstream of Hoover Dam, the Colorado River, Lake Mead (the reservoir), and the mountains surrounding the area. Fortification Hill is in the background.
586 Object thumbnail
Hoover Dam -- top of dam Color transparency showing the top of the dam. Intake towers and a spillway are visible. Part of the upstream face of the dam is visible and there are cars parked on the road which crosses the dam. ...
587 Object thumbnail
Hoover Dam -- top of dam Color transparency showing a view of the top of the dam. Transmission towers and electric lines are visible. The partially filled reservoir (Lake Mead) can be seen in the background.
588 Object thumbnail
Hoover Dam -- at night Color transparency of the upstream face of the dam and power house at night. The dam is illuminated by electric lighting. The lights are relected in the waters of the Colorado River below the dam.
589 Object thumbnail
Hoover Dam -- at night This color transparency shows Hoover Dam at night, looking upstream. Electric lights illuminate the dam. The power house is visible and the transmission towers can be seen above the dam.
590 Object thumbnail
Top of Hoover Dam at night Color transparency showing Hoover Dam lit up at night. The top of the dam with the intake towers, is visible.
591 Object thumbnail
Hoover Dam at night Color transparency showing a panoramic view of Hoover Dam at night, looking upstream. The dam is lit up and the face of the dam and the power house are clearly visible. The lights are reflected in the waters...
592 Object thumbnail
Hoover Dam -- at night Color transparency showing the upstream face of Hoover Dam. The dam is illuminated by electric lights making the crest of the dam, the intake towers, and the power house visible.
593 Object thumbnail
Boulder pack train, tourist concession on the Colorado River near Black Canyon Tent with signs "pack train", "post cards", and "curios" on the canvas sitting on a platform. There is another smaller tent to the left of the main tent, three benches in front of the main tent, an American flag on...
594 Object thumbnail
Ragtown (also known as Williamsville) on the shore of the Colorado River near Black Canyon Tent camp where construction workers for Hoover Dam lived before barracks were constructed for them. Cars are parked throughout the encampment, and a man is walking along an unpaved road in the foreground. There is a mountain in the background....
595 Object thumbnail
Ragtown, on the shore of the Colorado River near Black Canyon Tent city where the Hoover Dam construction workers lived until barracks were built for them. There are cars parked all through the encampment, and there are rugged mountains in the background. The view is looking south.
596 Object thumbnail
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...
597 Object thumbnail
Hesse's camp on the Colorado River Several weathered-looking wooden buildings sit in the desert. There are mountains in the background. There are trees including one large one near the buildings.
598 Object thumbnail
Tourists arriving in Boulder City. Groups of tourists are standing and walking near two buses that they arrived on. The buses are parked at the Boulder City train station, and there is a train in the background. The train depot and another building are on...
599 Object thumbnail
Labor strike during the building of Hoover Dam Seven men are standing and one man is squatting in front of a crowd of other men. More men are standing or sitting on what appears to be a wooden porch behind the men standing in front of the crowd.
600 Object thumbnail
Hoover Dam from the downstream side View of face of dam showing water coming out of the outlet works on the Arizona side. A bridge, a cableway above the dam, the mouths of several diversion tunnels, the Nevada power house, and construction equipment are visible. The...
 

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