Date: | 1947 |
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Description: | Man uses an excavator to fill an International KBS-7 dump truck with coal. Behind the excavator is a steep hill with trees on top. The coal is being handle... |
Date: | 11 13 1971 |
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Description: | Elevated view of a man operating a Hough H 400 to move rock. L.R. Skelton and Company has contract to construct 3.25 miles of Interstate I-79 in Clay Count... |
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