Public domain
San Bernardino, California. A tunnel at the ice plant through which air is blown on its way to the refrigerator cars. Cooling tubes along the walls keep the air at a constant temperature
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSan Bernardino, California. A tunnel at the ice plant through which air is blown on its way to the refrigerator cars. Cooling tubes along the walls keep the air at a constant temperature. 1943-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.