Public domain
Milwaukee Western Fuel Company, Milwaukee, Wisconsin. The tunnel at the Seventeenth Street docks of the Milwaukee Western Fuel Company. This is an underground tunnel that runs underneath the coal piles along the entire length of the Seventeenth Street dock. It is nine feet high and is in two section
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineMilwaukee Western Fuel Company, Milwaukee, Wisconsin. The tunnel at the Seventeenth Street docks of the Milwaukee Western Fuel Company. This is an underground tunnel that runs underneath the coal pile. 1942-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.