Public domain
French Officers and US Army Eng. Col. at pontoon bridge built by US Army Engineering unit at Washington Barracks, Washington, D.C.
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineFrench Officers and US Army Eng. Col. at pontoon bridge built by US Army Engineering unit at Washington Barracks, Washington, D.C.. 1917-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.