||Youngstown Steel - No 1 blast furnace
||Blast furnace No 1 at Iroquois Steel, predecessor of Youngstown Steel, 1918 Black smoke in picture was not considered a negative factor but a sign of prosperity.
||Youngstown_Sheet_and_Tube_Company; Iroquois_Iron_and_Steel_Company; SCH_East_Side;
||1508; http://www.pullman-museum.org/cgi-bin/pvm/mainRecordDisplayXML.pl?recordid=10375; 83-78-2
||The Industrial Heritage Archives provides reproductions of items from its collections for personal or research use. If an image is to be reproduced in any type of publication or on the web, written permission is required and use fees may be assessed.
||Southeast Chicago Historical Society