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 5.5

A steam shovel at work in Section 15 excavating the Main Channel in 1895. Solid rock was not near the surface at this location. Masonry or concrete walls were built to contain the flow in the Main Channel and excavated spoil was used as backfill behind the walls. (MWRD photo, Geiger set, image 174)