Building the Canal to Save Chicago

Chapter 7 Photos

Earth Section

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Everything Goes Media

Lake Claremont Press

Lake Claremont Press: A Chicago Joint

S. Woodhouse Books

BC-Photo 7.15

July 7, 1894. Another view of the dipper dredge and scow shown in Photo 7.14. Dipper dredges were used to excavate the Main Channel in Section O. Due this part of Section O being an extension of the South Branch, excavation by floatable equipment was more economical than building a coffer dam, dewatering and excavating in the dry. (MWRD photo, disc 26, image 35)