Building the Canal to Save Chicago

Chapter 5 Photos, 1–23

(photos 24–45 here)

Rock Section

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Lake Claremont Press: A Chicago Joint

S. Woodhouse Books

BC-Photo 5.15

A blast of 500 pounds of dynamite on May 22, 1895, to fracture the rock for excavation of the Main Channel in Section10. Notice the rocks that are blown up into the air, requiring that all workers leave the area prior to the dynamite detonation. The contractor for this section also used the double cantilever inclined truss for lifting loaded hopper cars and transporting them to the spoil area. (MWRD photo, disc 26, image 7)