Search for exactly "Gravel pits"

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Train loaded with gravel leaving the gravel pits Locomotive pulling several dump cars loaded with gravel, leaving the gravel pits. The desert and mountains are seen in the background.
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Portion of the gravel pits on the Arizona side of the Colorado River A man is seen standing in the Hoover Dam construction site gravel pits on the Arizona side of the Colorado River. The hills in the background are across the river in Nevada, five miles away.
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Train car dumping gravel into hopper at gravel plant A side-dump car from the gravel pits is dumping gravel into a depressed track hopper at the gravel plant. Train and buildings are visible. An employee is watching the process.
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Dragline loading gravel An electric dragline is seen loading gravel into a railway dump car in a gravel pit. Some workers stand beside the equipment. Mountains are seen in the background.
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Dragline loading gravel into side-dump car A dragline dumps gravel into the railway dump car in a gravel pit. Plymouth gasoline locomotive switching. Construction workers are seen observing the operation.
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Dragline loading gravel into railroad side dump cars View of an electric dragline loading railway side dump cars in the gravel pit in Black Canyon. Mikado type locomotives pull 10-car trains, 3 trains of this type [were] in operation.
7 Object thumbnail
Locomotives at the gravel plant yard Four standing locomotives are seen on the railway tracks in the gravel plant yard. A freight car can be seen behind one of the locomotives.
 

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