Covers an area equivalent to portions of squares X14 and 20 on the corresponding WWI map sheet 27. Negative roll 4B, photo 500. Camera focal length 8 inches. A tributary of the Meteren Becque is visible running vertically from top to bottom on the left side of the photo. Annotations on recto: north arrow pointing to the upper-left. WWI Aerial Photograph Collection: Box 4, Envelope 4b.