Abstract: The map sheet is one of three maps numbered 1 to 3 included in IOR/L/PS/20/C138/1.The map indicates the approximate areas of Mesopotamia, which could be irrigated, from the entrance to the Shatt al Arab in the south to Diarbekr [Diyarbakir] in the north and Hamadan in the east to Aleppo in the west. It also shows the routes of railway lines and major waterways, and the locations of notable settlements.Imprint 'Ordnance Survey 1916'.Physical description: Materials: printed on paperDimensions: 160 x 173mm, on sheet 182 x 309mm