| Image |
Title |
Description |
Date |
 |
[Concrete lining inside diversion tunnel no. 3]The interior of Diversion Tunnel No. 3, near the upper portal. |
View of the interior of diversion tunnel no. 3, showing the invert and side wall sections of three-feet thick concrete lining. The tunnel is illuminated by electric lights. Two construction workers stand inside the tunnel.
|
1932-06-02
|
 |
[Concrete lining inside diversion tunnel no. 2]The interior of Diversion Tunnel No. 2, near the upper portal. |
View of the interior of diversion tunnel no. 2, showing the completed invert and side wall sections of concrete lining. The tunnel is illuminated by electric lights. On the tunnel floor, construction workers stand by a truck which is carrying two cubic yard concrete pouring buckets.
|
1932-06-02
|
 |
[Concrete side wall lining in diversion tunnel no. 3]Interior of Diversion Tunnel No. 3, showing method of pouring alternate slabs in the side wall section of the tunnel lining. |
View of the interior of diversion tunnel no. 3, showing completed side wall sections of concrete lining. The tunnel is illuminated by electric lights. Concrete pouring forms and a gantry crane are seen in the rear of the tunnel.
|
1932-06-22
|
 |
[Side-wall jumbo inside diversion tunnel]Detail picture, showing the method of construction and operation of the side-wall jumbo for placing the lining in the diversion tunnels. |
View of the interior of a diversion tunnel showing the side-wall jumbo used for placing of the concrete tunnel lining. The tunnel and jumbo are illuminated by electric lights. A construction worker stands in the foreground. A truck loaded with concrete pouring buckets can be seen in the back of...
|
1932-06-20
|
 |
[Construction of steel forms for the lining of the diversion tunnels]Steel forms for lining the arch sections of the diversion tunnels were erected on the muck-fill on the Nevada side of the river. |
View of outdoor construction of steel forms to be used for lining the arch sections of the diversion tunnels. Construction workers are seen, one of them operating a bulldozer. A power shovel can be seen behind the steel forms.
|
1932-06-18
|
 |
[Steel form for diversion tunnel lining being hoisted into Black Canyon]Forms were constructed in 11-foot sections and transported to the Arizona side by overhead cableways. |
A completed section of steel form to be used for the lining of the diversion tunnels is hoisted by a cable into Black Canyon while construction workers supervise.
|
1932-06-18
|
 |
[Steel form for diversion tunnel lining being hoisted over the Colorado River]Section of the arch jumbo form being transported across the river by overhead cableway. |
A completed section of steel form to be used for lining the diversion tunnels is seen being hoisted on a cableway over the Colorado River. A construction worker can be seen standing on top of the form.
|
1932-06-10
|
 |
[Cape Horn on the Colorado River showing cliff buildings]Cape Horn, Six-Companies cliff dwellers |
Shows the Six Companies construction camp at Cape Horn on the Colorado River. Shows several buildings on the bank above the river.
|
1931-1934
|
 |
[Dam workers return to Boulder City after shift]The day shift arrives at Boulder. The big motor lorry is in front of the clubhouse in Boulder City. |
Shows a motor lorry (bus)parked in Boulder City; dam workers are exiting the lorry as they return from the day shift on Hoover Dam. Portions of buildings are visible.
|
1930?-1935?
|
 |
[View of Colorado River?]Lake Mead Lookout point [most of the area in the back is covered with water today]. |
This shows the Colorado River from a lookout point above. Two people are faintly visible and as well as part of the road . There are mountains in the background which are covered with water today.
|
1930?-1935?
|
 |
[Truck on road to Hoover Dam site]The road to the dam along the base of Mount Rough. |
Shows a truck on the road to the Hoover Dam site. There are mountains visible.
|
1930?-1935?
|
 |
[Black Canyon during dam construction]Trucks carry "muck" out of the gorge where formerly flowed the Colorado. |
Shows construction equipment and buildings in Black Canyon. There is a platform built on the side of the canyon and a cable line overhead transporting trams.
|
1933
|
 |
Bucket skips being filled with "muck" from the deep inner gorge of Black Canyon. |
Shows construction equipment and workers in the gorge of Black Canyon. Bucket skips are being loaded with muck to be transported out of the canyon. Also shows a power shovel and high scalers.
|
1933-06-05
|
 |
[Diversion tunnels during Hoover Dam construction]The two Arizona inversion [sic] tunnels during construction. |
Photo shows the Arizona diversion tunnels during the construction of Hoover Dam. Two men, railroad trucks, a temporary bridge, some temporary structures and a cable over the canyon are also shown.
|
1930?-1933?
|
 |
[Hoover Dam area and Colorado River]Hoover Dam area, looking northeast. Black Canyon and Colorado River, right. Fortification Hill, background right. |
An overview of the Hoover Dam area showing mountains, the Colorado River, and Fortification Hill.
|
1931?
|
 |
[The "Crows Nest" overlooking Black Canyon and the Colorado]The "Crows Nest" at the dam site. |
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.
|
1930?-1933?
|
 |
Two construction workers at Hoover Dam. |
Two construction workers at the Hoover Dam site working with heavy machinery.
|
1931
|
 |
[Workers laying railroad track near Boulder Canyon]Laying railroad track near Boulder Canyon. |
Photo shows workers and machinery involved in laying railroad track near Boulder Canyon. There are several structures in the picture and mountains in the background.
|
1931
|
 |
Construction crews in Boulder Canyon. |
Photo shows a power shovel and dump truck doing construction work in Black Canyon (not Boulder Canyon).
|
1931
|
 |
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.
|
1931
|
 |
Blasting at Hoover Dam construction site. |
Shows blasting at the Hoover Dam construction site. A road along the Colorado River and a building on the opposite shore can be seen as well as mountains in the background.
|
1931
|
 |
[Highway near Hoover Dam]Highway near Boulder Dam. |
Shows a highway through the mountains near Hoover Dam.
|
1930 ?-1940?
|
 |
[Diversion tunnels under construction - Hoover Dam]Constructing diversion tunnels at Hoover Dam site. |
Exterior view of diversion tunnels at the Hoover Dam site during construction. Photo shows the Colorado River and scaffolding around the partially constructed tunnels.
|
1931
|
 |
[Construction scene at Hoover Dam site]Construction scene at Boulder Dam. |
Shows construction crew and equipment at the Hoover Dam site. Power lines are also in the scene.
|
1931
|
 |
Construction site at Hoover Dam |
Photo shows various buildings and structures, railroad tracks, trucks and power lines. There is blasting taking place in the background between the mountains.
|
1931
|
