20.V1 [Houthulst Forest West of Schaap-Balie] January 3, 1917
Covers an area equivalent to portions of squares U6 and V1 on the corresponding WWI map sheet 20. Negative roll 9B, photo 309. Annotations on the recto: north arrow pointing to the right. Map reference "V.1.c.1.8" printed in white with an arrow pointing to its location. "M.G." printed in white indicating the location of a machine gun. Double dashed lines and a circle outlined in white dots in the upper-right corner. Annotations on the verso: "Misdated." WWI Aerial Photograph Collection: Box 1, Envelope 98.