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Photograph

Mining with T-20 with Bulldozer

Date: 1938
Description: Worker using an International TracTracTor (crawler tractor) in a mining operation. Original caption states: "owned by Possum Hollow Coal Company. Building ...
Photograph

Flat Cars Outside Ohio Mine

Date: 01 19 1938
Description: Two men standing next to mining cars near the opening of the Beam & Merritt mine as an International PA-50 power unit is installed.
Photograph

Road Construction

Date: 01 13 1938
Description: An Adams road grader equipped with a McCormick-Deering power unit is used by a county road crew to smooth a road in a rural area near the Ohio and Indiana ...
Photograph

International PA-50 Power Unit

Date: 11 04 1937
Description: A man operates machinery powered by an International PA-50 power unit owned by Starbuck Construction Company.

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