Holt Tractors Photo Archive: An Album of Steam and Early Gas Tractors
Early Caterpillar tractors and steam tractors that made Holt famous. Created by the company as a record of the steam & gas tractors built between 1894 & 1912.
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Early Caterpillar tractors and steam tractors that made Holt famous. Created by the company as a record of the steam & gas tractors built between 1894 & 1912.
![The Baltimore and Ohio Railroad in West Virginia [Images of Rail Series]](/application/data/covers/28/35/9780738552835.jpg "The Baltimore and Ohio Railroad in West Virginia [Images of Rail Series]")
