20.P25 [Thann Crossroads, Houthulst Forest Northwest of Wijfwegen] December 6, 1917
Covers an area equivalent to squares P25, 26, 31, and 31 on the corresponding WWI map sheet 20. Negative roll 9B, photo 80. Annotations on recto: north arrow pointing to the left with an "x" on the opposite edge of the photo. Annotations on verso: "Poor Photograph" written in pencil. "Dumps, much movement" written and outlined in pencil. 2 pencilled circles labelled "THANN + Rds" and "P.32.c +Rds." Placement of annotations corresponds to their exact locations on recto. WWI Aerial Photograph Collection: Box 3, Envelope 53.