Bulldozers, loaders, and spreaders

By Green Vale School. Ninth Grade English Class, 1973.

Subjects: Juvenile literature, Roads -- Design and construction -- Juvenile literature, Road machinery -- Juvenile literature, Roads, Road machinery, Design and construction, Roads -- Design and construction

Description: Photographs and brief text present the machines used for each step in the construction of a road, from clearing the land to pouring the concrete surface.