Sheet number: [Part of Sheet 28]. Edition number: 2 [in red overprint]. Heading in upper margin: Map shewing wet & dry areas. "Trenches corrected from information received up to 23-10-17." "[5th] Field Survey Co. R.E. (2,776) 22-10-17 [numbers crossed out and replaced with] (2,893) 26-11-17." "Approximate British Front Line Oct. 23rd 1917" pecked red; German trenches red; "boundary of photographs available" pecked blue; areas of varying wetness in tints of blue; overprint in blue or red., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC16; envelope_number: 442
