Description: Sheet 51bSW. Edn.4A. Area SE of Arras: Achicourt - Monchy-le-Preux - Boiry Notre Dame - Riencourt-lez-Cagnicourt - Croisilles - St. Leger - Hamelincourt - Boiry Ste. Rictrude. Trenches as 306. MS on face: light railways in red & orange ink, as far east as Wancourt and south to Boyelles. MS on reverse: J. J. Lovatt RE.