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Description: | A man is standing on a walkway on top of a mechanical conveyor belt machine in a quarry, loading a truck with sand and gravel. A man with a shovel is stand... |
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Description: | Group of men at the construction of a railroad branch line among piles of stones. Railroad ties placed on the ground are visible on the platform in the bac... |
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Description: | Elevated view of a man operating a Hough Pay Loader with crane and chutes. Trucks and automobiles are parked in the background. |
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Description: | Elevated view of a man operating a TD-30 Crawler Tractor. |
Date: | 08 19 1925 |
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Description: | View looking down at men standing with trucks near a steam shovel working near a rock face. |
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