From Rock to RoadBook - 2004
Briefly introduces the process by which rocks and asphalt are turned into a roadway using tractors, bulldozers, graders, and other equipment.
Publisher: Minneapolis, Minn. : Lerner Publications Co., 
Copyright Date: ©2004
Branch Call Number: J 625.7 Knu
Characteristics: 24 pages : color illustrations ; 19 cm.