20.O36 [Six Crossroads, Houthulst Forest] January 3, 1918
Covers an area equivalent to squares O36, P31, U6 and V1 on the corresponding WWI map sheet 20. Negative roll 9B, photo 322. Annotations on recto: north arrow pointing to upper-right. "Six Cross Roads" printed in white with arrow pointing to its location. WWI Aerial Photograph Collection: Box 1, Envelope 104.