Date: | 1952 |
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Description: | Color photograph of a model M-51 dump truck depositing raw lime rock from a quarry into the back of a truck marked "U.S. Air Force." Another vehicle is in ... |
Date: | 1952 |
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Description: | Color photograph of men loading a piece of construction equipment onto a trailer attached to a Model M-52 truck-tractor. Other vehicles parked on a gravel ... |
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