[Ypres, 3rd Battle of : tank 'going' map]

Description

Series Number Id: UNKNOWN. Sheet number: part of sheet 28. Edition number: 1. Tank 'going' map: trenches, waterlogged and flooded areas. At head of map: C.16.-K.33. Blue overprint in top margin: "Soil map. The information on this map is taken solely from the statements of refugees." "5th Field Survey Coy., R.E. (1,140) [numbers crossed out and followed with] 26-6-17 (1,276) 23-7-17". "Trenches corrected from information received up to 6-6-17." Detail, grid and contours grey; German trenches red. Key shows three blue shaded zones denoting dry areas, areas inaccessible after heavy rains, and inaccessible for heavy vehicles at all times. Prepared for the Tank Corps showing 'going' areas liable to flooding., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC15; envelope_number: 413.