Covers an area equivalent to squares R33, 34, 35 and X3, 4, 5, 9, 10 and 11 on the corresponding WWI map sheet 20. Negative roll 55i, photo 1179. Annotations on recto: north arrow pointing up. Annotations on verso: "ROULERS, EAST OF ROULERS, NOTE TRAINING TRENCHES" printed in pencil. WWI Aerial Photograph Collection: Box 2, Envelope 43.