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 Tailly in the Ardennes region of France, October 30, 1918.Inscription: "U.S. 1A 91SQ. B2588 N.W. of Tailly 307.1-297.2, 30-10-18, 15h 4800M 52CM -N."
Aerial photograph of a region in France, partially obscured by clouds, October 5, 1918.Inscription: "U.S. 1A 91Sq. B2198: E of FME De Chassogne: 320.4-290.2: 5/10/18:13h 4500m 52cm"
Aerial photograph of Nouart, France, October 30, 1918. The top half of the image is overexposed.Inscription: "U.S. 1A 91Sq. B2589 E. of Nouart 306.7-297.2: 30/10/18 15h 4800m 52cm - north."
Aerial photograph of Les Petites-Armoises, France, November 3, 1918.Inscription: "U.S. 1A 91sq B2713 N.W. Le Petit Armoises: 289.4-305.8: 3/11/18 10h: 2800m 52cm."