Map showing main railway routes on the Western Front
Series Number Id: UNKNOWN. Sheet number: part of 19. Western Front, enemy railway routes, July 1918. In upper margin, in blue overprint: Ic/12215. "Printing Section, Depôt F.S.C. R.E., G.H.Q. (2176x)" in blue overprint in lower margin. Grey detail; blue water. Routes from Germany in dark blue; lateral routes in red; front line in dark blue, after German offensives of 1918.
Manuscript distribution list on verso: Hist[orical Section, Cabinet Office], DGOS [Director General of the Ordnance Survey], MI4 [General Staff, Geographical Section]., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC17; envelope_number: 471.