A shuttle car filled with excavated earth travels to the top of a large conveyor system while an empty car stands at the bottom during the construction of the Chicago Sanitary and Ship Canal.
Men stand next to a large conveyor system used to move shuttle cars full of earth excavated during the construction of the Chicago Sanitary and Ship Canal.
Several empty shuttle cars sit at the bottom of a large conveyor system used to move earth excavated during the construction of the Chicago Sanitary and Ship Canal.