Date: | 02 16 1931 |
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Description: | Wisconsin Foundry & Machine Co. conveyor belt loading gravel into hopper which is filling a C.E. & P.A. Roth truck at their gravel pit, 1910 Roth Street ne... |
Date: | 1931 |
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Description: | Men drive an International truck up a dirt road along the Colorado River during the construction of the Hoover Dam in Black Canyon. There is a steam, or po... |
Date: | 1938 |
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Description: | Front page of 4-page brochure with description of photographic rules. Features a photograph of a man standing on top of a dump truck holding a shovel, whil... |
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