20.V1 [Turenne Crossing, Houthulst Forest] January 3, 1918
Covers an area equivalent to square V1 on the corresponding WWI map sheet 20. Negative roll 9B, photo 307. Annotations on recto: north arrow pointing up. "Turenne Crossing" labelled with arrow pointing to to the intersection. Several circles or ovals with white-dotted borders highlighting areas of interest near the crossing. WWI Aerial Photograph Collection: Box 1, Envelope 5.