Hanna furnaces of the Great Lakes Steel Corporation, stock pile of coal and iron ore. Detroit, Michigan, November 1942. Reproduction from color slide. Photo by Arthur Siegel. Prints and Photographs Division, Library of Congress Hanna furnaces of the Great Lakes Steel Corporation, stock pile of coal and iron ore. Detroit, Michigan, November 1942. Reproduction from color slide. Photo by Arthur Siegel. Prints and Photographs Division, Library of Congress