Series Number Id: UNKNOWN. Sheet number: 36c NW, 36c SW [parts of]. Auchy-Loos Area trench map, 2 February 1916. "1st Printing Co. R.E. G.H.Q. (2157)". "1st Army 5-2-16." Detail and grid grey; German trenches red., WW1 Trench Maps Collection: Box PC18, Envelope 550.
Downloads available under Creative Commons Attribution-NonCommercial 2.5 License