20.U30 [Gheluvelt-Langemarck Line intersecting the Road from Ypres to Poelcappelle] January 29, 1918
Covers an area equivalent to portions of squares U30 and V25 on the corresponding WWI map sheet 20. Negative roll 7B, photo 171. The road from Ypres to Poelcappelle is visible as an arc from the upper-right corner of the photo toward the lower-left corner. The Gheluvelt-Langemarck trench line is visible at mid-left winding its way toward the center-bottom. It intersects with the road near the bottom edge of the photo. Annotations on recto: north arrow pointing to the upper-left with an "x" on the opposite edge of the photo. "PRINTED BY NO. 2 ADVANCED SECTION, A.P.&S.S." printed in margin. Annotations on verso: "B" printed in pencil. WWI Aerial Photograph Collection: Box 3, Envelope 150.