Results
651 - 675 of 1090 Items << < 22 23 24 25 26 27 28 29 30 31 > >>
651 - 675 of 1090 Items << < 22 23 24 25 26 27 28 29 30 31 > >>
|
This photo shows the construction of the foundation of Hoover Dam on the floor of Black Canyon. Trucks, construction equipment, and cranes can be seen as well as several construction buildings. Photo taken from high above the canyon.
1933-07-22
|
|
This is a view of the wooden concrete forms used in the construction of Hoover Dam, looking upstream. Buildings and vehicles are visible. The photo was taken from high above the site.
1933-08-15
|
|
View of the Colorado River running through Black Canyon at the Hoover Dam construction site. Workers can be seen walking over bridges and catwalks that are suspended over the river, and on dirt roads that run alongside the river. The newly-dug...
|
|
View of Black Canyon with construction equipment on the canyon floor and cables suspended over the canyon. High scalers can be seen on the rock face on the left side of the photo.
|
|
Discussion of the proposals in Congress to create Boulder (Hoover) Dam. Includes maps and illustrations.
|
|
Shows Hoover Dam during construction. Cables are visible spanning the dam. Concrete pouring forms can be seen on the power houses. A temporary bridge is suspended across the canyon and there are buildings on the floor of the canyon.
|
|
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 of the canyon. The Colorado...
|
|
View of the downstream face of Hoover Dam. Part of lake Mead (the reservoir) is visible as well as the tops of two of the intake towers. Transmission towers can also be seen. A man is standing near a small building in a scenic overlook; cars...
|
|
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.
|
|
View of the cement plant at the site of the construciton of Hoover Dam. A water tank and water pipes are visible as well as railroad tracks.
|
|
Aerial view of Hoover Dam showing upstream face, intake towers, spillways, and part of Lake Mead (the reservoir). The wing of the plane taking the photo is visible in the upper portion of the image.
|
|
Aerial view of Hoover Dam showing downstream face, intake towers, and spillways. Water is being released from the outlet works below the dam and one of the power houses is visible. Many cars are parked on the roads leading to the dam,at the...
|
|
Construction photo showing the Colorado River with temporary suspension bridges, roads along the side of the canyon, trucks, and buildings.
|
|
Shows the head tower hoist house and permanent cableway. Cars and trucks are visible on the road across the dam as well as next to the hoist house. A transmission tower can be seen and construction workers are walking along the road.
|
|
Aerial view of Hoover Dam shows part of the downstream face of the dam, the intake towers, and Lake Mead (reservoir) starting to fill. Roads around the dam and across the top of it are visible. Photo shows an airplane flying high above the area....
|
|
Handwritten inscription on back of photo: "Hoover Dam -- Down the Colorado River. Dump trucks are on Arizona side and hauling muck to dumping grounds -- no muck can be dumped in the river." The road along the side of the canyon is visible and a...
|
|
Handwritten inscription on back of photo: "Rock and gravel plant -- Picture taken before its completion." Other buildings and trucks are visible.
|
|
Shows the cement plant at the Hoover Dam construction site.
1934-03-01
|
|
Shows a box of equipment being lowered by cable into Black Canyon during the construction of Hoover Dam. Roads and a truck are visible.
|
|
Shows a hydraulic turbine being transported to Hoover Dam. The sign on the turbine says "Hydraulic turbines, Boulder Dam, Allis Chalmers". A man is standing next to the turbine, which is fastened to a flat car (railroad car).
|
|
Shows a giant penstock pipe being lifted by hoisting machinery. Several construction workers are looking on and one is helping with the lifting. A tractor is also visible.
|
|
View of the Colorado River before the water was diverted to build Hoover Dam. Suspension bridges across the river are visible and various buildings can be seen on the lower walls of Black Canyon.
|
|
"Down-stream from Observation Point -- note tunnel in center of picture. Trucks hauling muck from Nevada portals must go through this tunnel to dumping grounds one mile away. [150 feet to river straight down]"-- [hand-written inscription on back...
|
|
Railroad cars and siding in the vicinity of Hoover Dam. They were used to transport construction materials to the dam site.
|
|
View of the interior of one of the diversion tunnels during construction at Hoover Dam. Electric lights illuminate the scene.
|
