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Adak Alaska USA 1943 stock footage and images

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The construction of Boulder Dam under way and rocks blasted in the Black Canyon of the Colorado River in the United States.

Boulder Dam under construction over the Colorado River in the United States. The Colorado River and work under way in the Black Canyon. Rocks on both sides of the river. Men in a boat bring supplies to the site. The site of work. Men cross the river on a bridge. Rocks of the canyon being blasted for providing foothold for roads and rail lines to the dam site.

Location: United States USA
Date: 1936
Duration: 2 min 1 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675054710
Boring of diversion tunnels during the construction of Boulder Dam in the Black Canyon of the Colorado River in the U.S.

Diversion tunnels made for the construction of Boulder Dam on the Colorado River in the United States. The dam site in the Black Canyon of the Colorado River. Rocks on either side of the river. A bridge on the river. A small tunnel on one side of the river. Several workmen at the mouth of the tunnel. Men operate drilling jumbos mounted on a motor truck. A man on a ladder. Workmen drill holes into rocks with drifter drills. Equipment for drilling. Trucks and power shovels in a bore to remove shattered material. A truck comes out of the tunnel. Workmen watch the truck. Trucks move in a line on a road along the canyon walls. The trucks dispose off wastes in gulches. Men at work in the tunnel. A man operates a concrete machine. A gantry crane is operated by workmen to lay lining of concrete on sidewalls of the tunnel. Men near movable steel forms. A man operates a machine.

Location: United States USA
Date: 1936
Duration: 4 min 32 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675054711
Rocks blasted and workmen over cliffs during the construction of Boulder Dam on the Colorado River in the United States.

Work men at work during the construction of Boulder Dam over the Colorado River in the United States. Rocks blasted in the Black Canyon for the end support of the dam. The work site of the dam. Men at the site. An aerial cable way carries workmen. Men in the cable way taken to their positions on cliffs. A man on a cliff prepares ropes. The workmen descend the cliffs with the help of the ropes.

Location: United States USA
Date: 1936
Duration: 2 min 53 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675054712
Diversion of the Colorado River and building of cofferdams during the construction of Boulder Dam in the United States.

The diversion of the Colorado River during the construction of Boulder Dam on the river in the United States. The dam site on the river. Two tunnels seen on one side of the river. A blast at the entrance of one of the tunnels to divert the flow of the river. Two men at the entrance of the tunnel. Trucks unload excavation material to form a temporary dike to control the water flow. The river flowing around the dam site. A bridge is visible. Water flows through a huge diversion tube. Cliffs on both sides. A truck unloads construction material in a cofferdam. Construction equipment in the cofferdam. Cofferdams on the river bed to provide foundation for the dam. Equipment operated at the site. Trucks and as crane at the site. Roads along the canyon walls in view. Men at work at the site. Barriers of the coffer dam in view. Men at the site. Cliffs on both sides. Workmen operate equipment.

Location: United States USA
Date: 1932, November
Duration: 3 min 59 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675054713
Transportation of raw materials and screening of gravels and sand during the construction of Boulder Dam in the United States.

The preparation and transportation of raw materials for the construction of Boulder Dam on the Colorado River in the United States. A crane and a train near the dam site. Sand and gravel picked from a pit by the crane and loaded in to rail cars. Trains arrive at a screening plant. A man near a train. The sand and gravel dumped into hoppers. Conveyor belts carry the material to the plant. A man near a conveyor belt. A man watches equipment screening over sized pebbles. A man near the screening plant. The screening plant with four towers for separating gravel of different size. Conveyor belts carry the screened gravel. Three different piles of gravel formed. Sand combined in a mixer. The towers of the plant in view. A man in a tower. Conveyor belts load the material into rail cars for transportation.

Location: United States USA
Date: 1933
Duration: 4 min 48 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675054714
Mixing plants at the site and rail cars carry materials during the construction of Boulder Dam in the United States.

The transportation of raw materials for the construction of Boulder Dam on the Colorado River in the United States. A plant at the bottom of a canyon. Rail cars arrive at the plant. Concrete mixers in the plant. Another plant on the Nevada rim over the dam site. Rail cars arrive at a mixing plant with sand and gravel. Bins in the mixing plant to store sand and gravel. A vehicle on a road along the canyon. Rail cars on a track with 'Six Companies Inc.' painted on it, the company to which the contract of the dam construction has been awarded. The rail cars unload sand and gravel at the plant. Men operate pumps to unload bulk cement. Rail cars carrying cement arrive at the mixing plant. Huge concrete mixers in the plant.

Location: United States USA
Date: 1933
Duration: 1 min 49 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675054715
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