||Youngstown Steel - Iroquois Iron Company Construction
||South Chicago, IL. Construction view of blast furnace foundations, concrete ore unloading dock, etc. for Iroquois Iron Company's new plant. 35,000 yards of concrete placed in eleven months. A fill of two acres of ground in 15 feet of water was made in 14 days. 4,000 feet of breakwater in Lake Michigan completed in three months. Pages 32 and 33 from Great Lakes Dredge & Dock Company book.
||Youngstown_Sheet_and_Tube_Company; Iroquois_Iron_and_Steel_Company; SCH_East_Side;
||1634; http://www.pullman-museum.org/cgi-bin/pvm/mainRecordDisplayXML.pl?recordid=10527; 82-218-p32.33
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||Southeast Chicago Historical Society