20.O24 [Donigetti Junction and Mons Crossroads] December 18, 1917
Covers an area equivalent to squares O17, 18 and 24 on the corresponding WWI map sheet 20. Negative roll 9B, photo number 190. Annotations on recto: north arrow pointing to upper-left. Annotations on verso: 2 pencilled circles labelled: "DONIGETTI Junction" and "MONS + Rds." Placement of annotations corresponds to their exact locations on the recto side of the photograph. WWI Aerial Photograph Collection: Box 1, Envelope 41.