Map of Counties Louth and Meath, Ireland, centered on the town of Drogheda. Relief shown by contours, shading and spot heights. Depths shown by soundings. In upper margin: Ordnance Survey of Ireland. Sheet 13. "Reduced from the one inch map of 1899-1902. Partly revised. Published at the Ordnance Survey Office, Southampton in 1918 by Colonel C.F. Close, C.B., C.M.G., R.E., Director General."--In margin below map. Cover title: Ordnance Survey road map. Originally issued folded in covers 18 x 10 cm. Includes diagram of adjoining sheets.