Workers place wooden braces against the wall of a narrow ditch possibly in Jefferson County Colorado. A mechanical ditch excavating machine operates in front of the work crew. Sections of pipe are arranged along the side of the road in the distance.
Trenching machinery--Colorado--1940-1950.; Pipes (Conduits)--Colorado--1940-1950.; Construction workers--Colorado--1940-1950.; Excavation--Colorado--1940-1950.; Waterworks--Colorado--1940-1950.
1941 February 18
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