Public domain
Bingham Canyon, Utah. Building a trestle bridge at the open-pit mines of the Utah Copper Company
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineBingham Canyon, Utah. Building a trestle bridge at the open-pit mines of the Utah Copper Company. 1942-01-01. Feininger, Andreas. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.