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."
Aerial photograph of Koeur-la-Grande, France, September 2, 1918.Inscription: "2e C.A.C. 40e S.P.A_S.A.L 47 No1953 2000m 2/9/18 10h Koeur La Grande 353/313 Fo 26."
Aerial photograph of La Baronnelle, France, November 3, 1918.Inscription: "U.S. 1A 91Sq. B2706 : La Baronnelle FME: 288.0-308.5: 3/11/18: 13H 3500m 52cm."
Aerial photograph of La Maison Rouge Chau, France, November 3, 1918. Craters from artillery shells are visible.Inscription: "U.S. 1A 91Sq. B2732 LaMaison Rouge Chau 284.4-301.5: 3/11/18: 10H 2800m 52cm."