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Photograph

TD-20C Crawler Tractor at Bridge Construction Site

Date: 07 1971
Description: Color photograph of a worker operating an International TD-20C crawler tractor (TracTracTor) at a bridge construction site. Other construction workers are ...
Photograph

Fire Break

Date: 
Description: One man, wearing a hard hat, is kneeling in the dirt in the foreground, while another man wearing a cap is resting one foot on a Minneapolis-Moline disk pl...
Photograph

Construction Workers and Bulldozer

Date: 1969
Description: Construction workers and bulldozer on the street next to the construction site of the World Trade Center.

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