51b.W22[Keith Wood, South of Marquion] September 25, 1918
Covers an area equivalent to square W22 on the corresponding WWI map sheet 51b. Negative roll 5AL, photo 263. Camera focal length 8 1/4 inches. Annotations on recto: north arrow pointing to the lower-right. WWI Aerial Photograph Collection: Box 4, Album Photo 41.