20.O7 [Blankaart Chateau and England and Schubert Farms near Roonehoek] December 26, 1917
Covers an area equivalent to squares O7 and 8 on the corresponding WWI map sheet 20. Negative roll 9B, photo 206. Blankaart Chateau appears at the left of the photo in the semi-circle area. England Farm is the small, dark polygon just to the east of the Chateau. Annotations on recto: north arrow pointing up. WWI Aerial Photograph Collection: Box 1, Envelope 62.