20.O36 [Houthulst Forest Between Manneken and Marseille Farms] November 18, 1917
Covers an area equivalent to portions of squares O36, P31, U6, and V1 on the corresponding WWI map sheet 20. Negative roll 9B, photo 176. Most of the photo falls in square O36 where the distinctive crossroads are located. A chateau is visible at the bottom edge of the photo just left of center which appears on the corresponding trench map. Annotations on recto: north arrow pointing to the left. WWI Aerial Photograph Collection: Box 1, Envelope 123.