20.U6 [les 5 Chemins, East of Veldhoek] December 10, 1917
Covers an area equivalent to squares U6 and 12 on the corresponding WWI map sheet 20. Negative roll 9B, photo 142. Annotations on recto: north arrow pointing to the right with an "x" on the opposite edge of the photo. WWI Aerial Photograph Collection: Box 1, Envelope 19.