20.U6 [Colombo House, Les 5 Chemins] December 26, 1917
Covers an area equivalent to squares U6 and V1 on the corresponding WWI map sheet 20. Negative roll 9B photo number 210. Annotations on recto: north arrow pointing to upper-left. 6 circles in red ink. "COLOMBO HO:" printed in red ink. WWI Aerial Photograph Collection: Box 1, Envelope 69.