27.X21 [South of Meteren and North of Belle Croix Farm] July 17, 1918
Covers an area approximately equivalent to squares X21, 22, 27, and 28 on the corresponding WWI map sheet 27 and square F4 on map 36a. Negative roll 4B, photo 2205. Camera focal length 8 inches. Annotations on recto: north arrow pointing to the upper-left. WWI Aerial Photograph Collection: Box 4, Envelope 7b.