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 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."
Aerial photograph of Dun-sur-Meuse, France, October 10, 1918. Craters from artillery shells are visible.Inscription: "U.S. 1A 91sq. B2255 W. of Dun-Sur Meuse 314.2-290.4: 10/10/18 10h 5300m 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."