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Photograph

International Diesel TD-24 Crawler Tractor with Dual Roller

Date: 1948
Description: Color photograph of an International Diesel TD-24 crawler tractor with a sheepsfoot roller used for road construction on the south side of Dorena Lake Dam.
Photograph

International TD-30 Crawler Tractor

Date: 1961
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...
Photograph

Bulldozer Operator Training

Date: 1944
Description: Two men operate International crawler tractors (TracTracTors) with bulldozer blades on a rocky hillside as part of a military training program at Camp Pend...
Photograph

Bulldozer on Hillside

Date: 1944
Description: A man uses an International crawler tractor (TracTracTor) equipped with a bulldozer blade on a hillside in the construction of a road. The original caption...
Photograph

Uniformed Men with International Trucks

Date: 1944
Description: Uniformed men sit on top of International crawler tractors equipped with bulldozer blades in an area of brush with hills in the background. An internationa...
Photograph

Men Operating Pay Haulers and Pay Loader

Date: 1972
Description: Elevated view of men operating Pay Haulers and a Pay Loader at the top of a hill. Vecellio and Grogan, Inc., working on highway project cutting four and on...
Photograph

Pay Loader with Pay Hauler

Date: 1972
Description: Man operating Pay Loader to dump earth into a Pay Hauler. Vecellio and Grogan, Inc., working on highway project cutting four and one-half miles of Intersta...
Photograph

Pay Loader with Pay Hauler

Date: 1972
Description: Elevated view of a man operating a Pay Loader to load a Pay Hauler with dirt. Vecellio and Grogan, Inc., working on highway project cutting four and one-ha...
Photograph

International TD-25c and International 295b Pay Scrapers

Date: 11 12 1971
Description: Elevated view of TD-25c and two 295b Pay Scrapers. Black Rock Contracting, Inc., has contract to construct 3.26 miles of Interstate I-79 in Clay County.
Photograph

Men Operating 295b Pay Scrapers

Date: 11 12 1971
Description: Elevated view of 295b Pay Scrapers and other construction equipment at work. Black Rock Contracting, Inc., has contract to construct 3.26 miles of Intersta...
Photograph

Men Operating 295b Pay Scrapers

Date: 11 12 1971
Description: Elevated view of men operating 295b Pay Scrapers and other construction equipment. Black Rock Contracting, Inc., has contract to construct 3.26 miles of In...
Photograph

Men Operating 295b Pay Scraper

Date: 11 12 1971
Description: Elevated view of a man operating 295b Pay Scraper. Black Rock Contracting, Inc., has contract to construct 3.26 miles of Interstate I-79 in Clay County.
Photograph

Man Operating 295b Pay Scraper on Steep Grade

Date: 11 12 1971
Description: Man operating 295b Pay Scraper on a steep grade. Black Rock Contracting, Inc., has contract to construct 3.26 miles of Interstate I-79 in Clay County.
Photograph

Man Operating 295b Pay Scraper on Steep Grade

Date: 11 12 1971
Description: Man operating 295b Pay Scraper on a steep grade, two more are visible in the background. Black Rock Contracting, Inc., has contract to construct 3.26 miles...
Photograph

Men Operating Hough H 400

Date: 11 13 1971
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...
Photograph

Men Operating PH 180 (T50)

Date: 11 13 1971
Description: Elevated view of men operating PH 180 (T50) for transporting rocks. L.R. Skelton and Company has contract to construct 3.25 miles of Interstate I-79 in Cla...
Photograph

Men Operating Hough H 400 and PH 180 (T50)

Date: 11 13 1971
Description: Elevated view of a man operating a Hough H 400 to move rock. On the left is a man operating a PH 180 (T50). L.R. Skelton and Company has contract to constr...
Photograph

Man Operating PH 180 (T50)

Date: 11 12 1971
Description: Man operating a PH 180 (T50) down a steep grade, trees visible in the background. L.R. Skelton and Company has contract to construct 3.25 miles of Intersta...
Photograph

Men Operating Hough H 400 and PH 180 (T50)

Date: 11 13 1971
Description: Slightly elevated view of men operating a Hough H 400 and PH 180 (T50) to move rocks. L.R. Skelton and Company has contract to construct 3.25 miles of Inte...
Photograph

Men Operating Hough H 400 and PH 180 (T50)

Date: 11 13 1971
Description: Elevated view of men operating a Hough H 400 and PH 180 (T50) to move rocks. L.R. Skelton and Company has contract to construct 3.25 miles of Interstate I-...

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