Covers an area equivalent to squares O11, 12, 17 and 18 on the corresponding WWI map sheet 20. Negative roll 9B, photo 171. Annotations on recto: north arrow pointing to upper-left. Annotations on verso: pencilled circle labelled: "MOZART + Rds." Placement of annotation corresponds to its exact location on recto. WWI Aerial Photograph Collection: Box 1, Envelope 23.