Aerial photograph of Les Petites-Armoises, France, November 3, 1918.Inscription: "U.S. 1A 91Sq. B2714 N.W. Les Petites Armoises: 288.2-306.0: 3/11/18: 10H : 2800m: 52cm."
Aerial photograph of Harricourt, France, November 3, 1918.Inscription: "U.S. 1A 91Sq. B2684: N.W. of Harricourt: 295.7-297.3: 3/11/18: 10H: 2800m: 52cm N."
Aerial photograph of Spincourt, France, October 31, 1918. Craters from artillery shells are visible.Inscription: "U.S. 1A 91Sq. B2647 Spincourt 350.2-283.5: 31/10/18: 15H 4900m 52CM."