Aerial photograph of Boinville, France, September 19, 1917. A balloon is marked on the image.Inscription: "N 23 80. 5000m 19/9/17 12.N.O. Boinville 474/682 f50."
Oblique aerial photograph of Château-Thierry, France, August 1918. A destroyed bridge and a makeshift replacement are visible.Inscription: "Chateau Thierry, Aug 1918."
Oblique aerial photograph of Verdun, France, showing buildings along the Meuse River, circa 1918. Visible landmarks include Verdun Cathedral (lower left) and a balloon hangar (upper left).