Aerial photograph of Thiacourt, France, August 25, 1918. A circle is drawn around a point of interest.Inscription: "U.S. 1A 91Sq B1393 N.W. of Thiaucourt 63.1-42.1: 25/8/18 16h 4800m 52cm. Point d'ascension du Drachen de Thiaucourt, EM 2422"
Aerial photograph of Rembercourt, France, September 2, 1918.Inscription: "U.S. 1A 91Sq. B1487: S. E. Rembercourt: 369.5-242.0: 2/9/18: 12H: 4700m: 52cm."
Aerial photograph of Rembercourt, France, September 2, 1918.Inscription: "U.S. 1A 91Sq. B1489: S.E. Rembercourt: 369.9-242.5: 2/9/18: 12H 4700m: 52cm."
Aerial photograph of Villers-sous-Pareid, France, September 2, 1918.Inscription: "U.S. 1A 91Sq. B1454 Villers-sous-paried 353.8-259.9: 2/9/18: 11H 4600m 52cm."
Aerial photograph of fields near Fleury, France, September 7, 1918.Inscription: "U.S. 1A 91Sq. B1666 S. of Fleury 387.3-249.1: 7/9/18: 13H 4900m 52cm."
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 Charey, France, September 16, 1918. Trenches and shell craters are visible.Inscription: "U.S. 1AC 12Sq. B1274 S. Charey 364.9-245.0 12h 16-9-18: 3000m 52cm."