20.U18 [Namur Crossing, Crescent Pond, and Broenbeek east of Koekuit] December 26, 1917
Covers an area equivalent to portions of squares O17, and 18 on the corresponding WWI map sheet 20. The Broenbeek is visible in the photo. Negative roll 9B, photo 195. Annotations on recto: north arrow pointing to left. "NAMUR CROSSING," and "Crescent Pond" labelled in red ink. WWI Aerial Photograph Collection: Box 1, Envelope 52.