Aerial photograph of Aincreville, France, October 10, 1918.Inscription: "U.S. 1A 91Sq. B2260: S.W. Aincreville: 309.7-288.1: 10/10/18: 10H: 5300m: 52cm."
Aerial photograph of Authe in the Ardennes region of France, November 3, 1918.Inscription: "U.S. 1A 91SQ. B2688 Authe 293.5-299.5, 3/11/18, 10h 2800m 52cm."
Aerial photograph of Bois de Buss, France, October 30, 1918. Trenches and impact craters are visible.Inscription: "U.S. 1A 91SQ. B2453 W. of Bois de Buss 316.0-288.9, 30-10-18, 11H 4500M 52CM."
Aerial photograph of Bois de Châtillon, France, October 30, 1918. Trenches and artillery shell craters are visible.Inscription: "U.S. 1A 91Sq. B2445 Bois de Chatillon 310.5-285.3 30/10/18 11H 4500M 52cm."