Map of County Offaly, Ireland centered on the town of Birr. Relief shown by contours, shading and spot heights. In upper margin: Ordnance Survey of Ireland. Sheet 15. "Reduced from the one inch map of 1900-1913. Partly revised. Published at the Ordnance Survey Office, Southampton in 1917 by Colonel C.F. Close, C.B., C.M.G., R.E., Director General."--In margin below map. Cover title: Ordnance Survey road map of Birr. Originally issued folded in covers 18 x 10 cm. "Diagram of sheets of the map" on verso of cover.