Covers an area equivalent to squares X15 and 16 on the corresponding WWI map sheet 27. Negative roll 4B, photo 565. Annotations on recto: north arrow pointing to the left. "4. Meteren and N. Showing our front line - 'Australian Trench,' and outposts. May 15, 1918" written in ink on paper label affixed to top edge of photo. "PRINTED BY NO. 2 ADVANCED SECTION, A.P.&S.S." printed in margin. Annotations on verso: "4. Meteren and N. May 15, 1918. Showing our front line - 'Australian Trench' and outposts" written in pencil. "O.I" printed in pencil between 2 lines. WWI Aerial Photograph Collection: Box 4, Envelope 4.