Covers an area equivalent to the four adjoining corners of squares X9, 10, 15 and 16 on the corresponding WWI map sheet 27. Negative roll 4B, photo 19. Annotations on recto: north arrow pointing to upper-right. "1. North of Meteren. Australians digging in to oppose Hun advance. April 21, 1918" written in ink on paper label affixed to top edge of photo. Annotations on verso: "1. North of Meteren, April 21, 1918. Australians digging in" written in pencil. WWI Aerial Photograph Collection: Box 4, Envelope 1.