20.P31 [Chateau Jules Dujardin, West of Vijfwegen] January 3, 1918
Covers an area equivalent to squares P31 and 32 and V1 and 2 on the corresponding WWI map sheet 20. Negative roll 9B photo number 330. Annotations on recto: north arrow. "Chau Dujardin" printed in white with an arrow pointing to its location. WWI Aerial Photograph Collection: Box 1, Envelope 109.