Imprint:Ordnance Survey, 1916.Distinctive Features:General map of Mesopotamia [Iraq] showing ethnic division with the approximate location of the various ethnic groups (Arabs, Kurds and mixed races) across the region marked in colour and explained in a table of reference at the lower left of the sheet. Shows rivers, railway lines with Turco-Persian boundary indicated by dash-dot line.Same base map as IOR/L/MIL/17/15/41/1, p 360A.1 mapDimensions: 159 x 172 mm