Date: | 1939 |
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Description: | A man from the Material Transit Company drives an International D-50 dump truck to unload what appears to be gravel or rocks. There are houses on a hill in... |
Date: | 07 25 1927 |
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Description: | Men driving tractors pulling trailers, which are being loaded from a hopper at a granite quarry or mine. On the far right is a steam shovel. |
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