Aerodromes and Hospitals

First Army area (extension east) : hostile aerodromes opposite First Army front, [February 1918]
First Army area (extension east) : hostile aerodromes opposite First Army front, [February 1918]
Series Number Id: UNKNOWN. Sheet number: parts of sheets 36 and 51. "First Army 12-2-18" and "[1st] Field Survey Co., R.E. 5847" and "Reference" in red overprint. "Ordnance Survey, March, 1917." Grey and blue squared base map (reduced from 1:40,000 sheets). German Front Line in red. Index map showing 1:40,000 sheets in bottom margin., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC16; envelope_number: 458.
[First] Army area : secret, map no. 2, First Army medical arrangements; First Army railways, [January 1918]
[First] Army area : secret, map no. 2, First Army medical arrangements; First Army railways, [January 1918]
Series Number Id: UNKNOWN. Sheet number: part of sheet 36. Edition number: 5. Grey base map of whole First Army area, from Ploegsteert in the north to Arras in the south, and as far west as Hesdin. "[1st] Field Survey Co. R.E. 5643 [numbers crossed out with black overprint and followed with] 5924 [crossed out with red overprint and replaced with] 5933." "Reference" in red and black overprint., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC22; envelope_number: 692.
[Second] Army area map, no. 8 : hostile aerodromes and hospitals, from air photographs, April 1st - May 15th, 1918
[Second] Army area map, no. 8 : hostile aerodromes and hospitals, from air photographs, April 1st - May 15th, 1918
Series Number Id: UNKNOWN. Sheet number: parts of sheets 28 and 36. "[4th] Field Survey Coy., R.E., (8845) 16-5-18 [numbers stroked out with green overprint and followed with] (8846) 16-5-18." Grey detail; overprint red and green. Key shows signs for aerodromes and hospitals in red and green. Identifications of German pursuit flights, reconnaissance flights, Army aircraft parks, and more in green. Front Line in red., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC22; envelope_number: 696.
[Second] Army area map, no. 9 : enemy hospital signs opposite Second Army front (from air photographs), June 6th, 1918
[Second] Army area map, no. 9 : enemy hospital signs opposite Second Army front (from air photographs), June 6th, 1918
Series Number Id: UNKNOWN. Sheet number: parts of sheets 28 and 36. "[4th] Field Survey Coy. R.E. (8977) 4-6-18 [followed with red overprint] (8993) 6-6-18". Grey detail; overprint in red and green. Approximate Allied Front Line in red. Enemy Hospital Maps were prepared for the Royal Flying Corps/RAF so that hospitals would not be bombed by mistake., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC22; envelope_number: 698.
[Second] Army area map, no. 9 : hostile aerodromes opposite Second Army front, August 23rd, 1918 (from air photographs)
[Second] Army area map, no. 9 : hostile aerodromes opposite Second Army front, August 23rd, 1918 (from air photographs)
Series Number Id: UNKNOWN. Sheet number: parts of sheets 28 and 36. "[4th] Field Survey Coy. R.E. (8977) 4-6-18 [numbers overlapped with red overprint] (9553) 22-8-18". Grey detail; olive green grid; overprint in red and green. Approximate Allied Front Line, August 23rd 1918, show in green., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC27; envelope_number: 797.
[Second] Army area map, no. 9 : hostile aerodromes opposite Second Army front, June 6th 1918 (from air photographs)
[Second] Army area map, no. 9 : hostile aerodromes opposite Second Army front, June 6th 1918 (from air photographs)
Series Number Id: UNKNOWN. Sheet number: parts of sheets 28 and 36. "[4th] Field Survey Coy. R.E. (8977) 4-6-18 [followed with overprint] (8992) 6-6-18". Grey detail; overprint in red and green. Approximate Allied Front Line shown in red., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC22; envelope_number: 697.