Date: | 1949 |
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Description: | Construction worker clears trees along a hillside with an International diesel TD-24 TracTracTor (crawler tractor). |
Date: | 1969 |
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Description: | A construction worker wearing a yellow hard hat stands in the foreground. In the background is the steel framework of one of the The World Trade Center tow... |
Date: | 1959 |
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Description: | Juan Almeida Bosque, operating chief of the Cuban Air Force, hammering a spike into a block of concrete with the help of a construction worker. |
Date: | 1969 |
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Description: | Rear view of a construction worker wearing safety goggles on the back of his yellow hard hat. In the background is the steel framework of one of the towers... |
Date: | 1931 |
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Description: | The entrance to the bridge during construction. A worker works on the side of the bridge on the right. Other workers in the middle of the bridge lay boards... |
Date: | 1969 |
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Description: | Two construction workers at base of construction site. In the background another worker stands among construction materials. |
Date: | 09 07 1930 |
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Description: | University of Wisconsin-Madison Mechanical Engineering Building at 1513 University Avenue under construction. Men are working on the steel framework. A mas... |
Date: | 1969 |
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Description: | Man with hard hat walking behind a fence, possibly an architect, at the construction site of The World Trade Center. |
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