View of waterfalls, mountains and serene lakes in California. Song in background about western United States before railroads existed there. Still photos and sketches railroad pioneer Theodore Dehone Judah, and of Chinese workers and other laborers as they work to build the railroad through the Sierra Nevada mountains beginning in 1865. Pictures of early railroad building, westward expansion, and men building a railroad bridge. Train moving between mountain valleys. Still photo from May 10, 1869 of workers from the Central Pacific and Union Pacific railroads celebrating at Promontory, Utah, when their two railroad lines were joined together to realize the goal of the Transcontinental Railroad.
A film about achievements and role of African Americans in the United States. A newspaper headlines about African American athletes at the Berlin Olympics of 1936. Spectators in a stadium. Athletes at a start line for a 100 meter race. Judge fires starting gun and race is underway. African American athletes Jesse Owens and Ralph Metcalfe of the U.S. win gold and silver medals. German and Japanese participants jump over in a High Jump event. African American athlete Cooper Johnson sets a new Olympic record in the event.
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.
Working of the Armed Forces Radio in the United States. Dorothy Lamour reads a letter in 'Mail Call' program. A scene of the Sierra Nevada Mountains, California Red Wood trees, the Golden Gate Bridge, Hollywood , a dairy farm and an airplane factory. Two girls pack records to ship them overseas. Soldiers discussing a map. (World War II period).
Construction of the Hoover Dam in the United States. Civil engineers at the dam site. Views of dam site, and reclamation engineers rush towards the dam site for investigation. Engineers remove rock by placing dynamite. The construction underway. Explosions rise. Views of four diversion tunnels, two on each side (the Nevada side and Arizona side). Front end loader remove dirt and load onto dump truck. Engineers wok in the tunnel. Engineers climb rope suspended from the canyon wall. In November 1932, the Colorado river is diverted. Trucks carry construction material and engineers at work during construction of the dam. Clip is from a production narrated in 1962.
A United States Marine Corps Sikorsky H-34 "Choctaw" military helicopter lands on desert in Nevada, United States (during Vietnam War period). Heavy dust flies over the area as the helicopter lands. Two Marines approach the helicopter. The helicopter hovers away. Marines on foot move alongside military vehicles on desert road. Other Marines sit on top of moving vehicles. Marines sitting on top of a moving artillery vehicle. A Marine in training holding a rifle as he moves on foot. Marines resting on roadside.
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