Public domain
Hanna furnaces of the Great Lakes Steel Corporation. Detroit, Michigan. General view showing the steel framework on which mechanism for unloading boats is mounted
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineHanna furnaces of the Great Lakes Steel Corporation. Detroit, Michigan. General view showing the steel framework on which mechanism for unloading boats is mounted. 1942-01-01. Siegel, Arthur S.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.