29.Q20 [Index Map to Aerial Photos Taken by No.10 Squadron, RAF, near Berchem] October 30, 1918
Index map for aerial photos taken between Anseghem and Berchem, Belgium covering an area roughly from square J22 to Q34 on the corresponding WWI map sheet 29. Annotations on recto: "PHOTOS BY No. 10 SQDn. RAF, TAKEN: 30.10.18, REGISTERED: 30-10-18, KEY MAP No. 97, NUMBERS 10b719-730; O10B231-242." The outline of each vertical photo (10b 719 to 730) and every oblique photo (O10B 231 to 242) is delineated and labelled with its number on a base map of the area. WWI Aerial Photograph Collection: Box 3, Envelope 121.