Public domain
C. & N.W. Ry. [Chicago & North Western Railway], steel viaduct over Des Moines River, Iowa
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineC. & N.W. Ry. [Chicago & North Western Railway], steel viaduct over Des Moines River, Iowa. 1895-01-01. Detroit Publishing Co., Jackson, William Henry. Detroit Publishing Company Collection, Library of Congress. Public domain.