Covers the area equivalent to squares D3, 4, 9, 10, 11, 15, 16 and 17 on the corresponding WWI map sheet 28. Negative roll and photo number 57 546. Annotations on recto: white north arrow pointing to the upper-right. Incorrect area mentioned in annotation on verso: "Boche Back area Lens Front?" WWI Aerial Photograph Collection: Box 4, Album photo number 7.