Sheet number: 51C W29. "German trenches red". "1st Printing Coy. RE. 3rd Army 750." Monchy-au-Bois Region, north part of village, and area to north and north-west. Detail and grid grey, German trenches and Intelligence (machine guns, supposed mineshaft, etc.) red; British trenches with names blue. Small sheet presumably with latest Intelligence for mounting on artillery boards. Needle-holes in corners for registration on litho stone; printed in the field., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC17; envelope_number: 515