Aerial photograph of Frescaty, France, September 14, 1918. Trenches are visible in the bottom right corner.Inscription: "U.S. 1A 91Sq. B1702: N. of Frescaty: 383.0-256.0: 14/9/18: 11H 4200m 52cm."
Aerial photograph of Harricourt, France, November 3, 1918.Inscription: "U.S. 1A 91Sq. B2683: W of Harricourt: 295.5-297.0: 930h: 2800m: 52cm: 3-11-18."
Aerial photograph of Harricourt, France, November 3, 1918.Inscription: "U.S. 1A 91Sq. B2685: W. of Harricourt: 294.8-297.5: 3/11/18: 18H: 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 Imécourt, France, November 1, 1918. Impact craters from artillery rounds are visible.Inscription: "U.S. 1A 91Sq. B2681: Imecourt: 2199.0-289.0: 1/11/18: 10 h 3500m 52cm."