51b.W16 [Keith Wood, South of Marquion] September 25, 1918
Covers an area equivalent to portions of squares W16 and 22 on the corresponding WWI map sheet 51b. Negative roll 5AL, photo 260. Camera focal length 8 1/4 inches. Annotations on recto: north arrow pointing down. WWI Aerial Photograph Collection: Box 4, Album Photo 43.