Date: | 1961 |
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Description: | International TD-30 crawler tractor (TracTracTor) working to widen U.S. Highway 40 near Berthoud Pass in Colorado. The highway wound through the Rocky Moun... |
Date: | |
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Description: | Road construction workers at an unidentified location on I90 & I94 operate a construction machine that combines several steps of the concrete pour process.... |
Date: | |
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Description: | A construction superintendent talks with two highway construction workers (one of whom is a woman), during a resurfacing operation on interstate highway I9... |
Date: | 1985 |
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Description: | A cement finisher corrects surface imperfections left by the mechanical finisher during a resurfacing project on I90/94. |
Date: | 1985 |
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Description: | As part of a construction job on one of Wisconsin's interstate highways, concrete travels down a series of chutes from the cement mixer to the pour site. |
Date: | 1985 |
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Description: | View from an overpass of a resurfacing operation on I90/94 near Madison. |
Date: | 05 20 1992 |
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Description: | A concrete finisher stretches to trowel off a spot during construction of the Appleton Tri-County Bridge over the Fox River. |
Date: | 06 09 1992 |
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Description: | Close-up of rebar work on the Tri-County Fox River Bridge at Appleton, with cement finishing equipment. |
Date: | 06 11 1992 |
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Description: | Employees of Lunda Concrete pour the last section of the Tri-County Fox River Bridge deck. |
Date: | 1985 |
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Description: | Concrete pour on Wisconsin Interstate Highway I-90/94, showing the operation of the concrete smoothing equipment. |
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