Building the Canal to Save Chicago

Chapter 6 Photos

Earth and Rock Section

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Everything Goes Media

Lake Claremont Press

Lake Claremont Press: A Chicago Joint

S. Woodhouse Books

BC-Photo 6.9

Large boulders discovered in the overburden during excavation of the Main Channel in Section B, April 20, 1895. The contractor claimed an extra for removal of these boulders resulting in a dispute between the SDC and the contractor. (MWRD photo, disc 2, image 13)