51b.Q23 [Canal du Nord, Mill Copse to Bois-de-Quesnoy] September 20, 1918
Description
Oblique angle photo looking northeast from Mill Copse to Bois-de-Quesnoy. Covers the area between squares Q18 to 22 on the corresponding WWI map sheet 51b. Negative roll 5AL, photo 155. Camera focal length 10 1/4 inches. Annotations on recto: "Bois-de-Quesnoy" and "Canal du Nord" labelled in blue ink. An "x" in blue ink at map reference "51b.Q.23.a.50.20." WWI Aerial Photograph Collection: Box 4, Album photo 57.