Public domain
Ben Bow chromite mill, Stillwater County, Montana. Tables on which concentration of chrome ore is completed by a vibratory process
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineBen Bow chromite mill, Stillwater County, Montana. Tables on which concentration of chrome ore is completed by a vibratory process. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.