Covers an area equivalent to square U2 on the corresponding WWI map sheet 51b. Negative roll 15AE, photo number 1644. Annotations on recto: north arrow pointing to upper-right with an "x" on the opposite edge of the photo. Annotations on verso: "FONTAINE LEZ CROISILLES, HINDENBURG LINE" printed in pencil. WWI Aerial Photograph Collection: Box 2, Envelope 22.