Tractors
By: by H.R. Sheffer ; edited by Howard Schroeder.
Contributors: Schroeder, Howard.
Series: Movin' on
Publisher: Crestwood House
Published: 1983
Place of publication: Mankato, MN
Language: eng
Number of pages: 48
Subjects: Tractors -- Juvenile literature.; Tractors.
Description: Introduces the wheeled and crawler tractors, explains how they work, and details their contribution to industry and agriculture.