20.U6 [les 5 Chemins, Angle Point, Egypt and Colombo Houses] December 10, 1917
Covers an area equivalent to portions of squares U6, 12 and V1 on the Corresponding WWI map sheet 20. Negative roll 9B, photo 118. 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 14.