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.
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.
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.
4450 pounds of dynamite sits in boxes in preparation for use blasting sections of the Chicago Sanitary and Ship Canal during construction. Photo caption: "1376 6-28-99 Danger!! 4,450lbs. Dynamite."
Construction workers stand among rubble after a dynamite blast successfully broke up a section of the rocky earth during the construction of the Chicago Sanitary and Ship Canal.
Several workers stand at the base of a large conveyor system used to move shuttle cars full of earth excavated during the construction of the Chicago Sanitary and Ship Canal.
A large conveyor system used to move shuttle cars full of earth excavated during the construction of the Chicago Sanitary and Ship Canal stands above a large pile of rubble.