In collection Ordnance Survey Ireland (OSi) 19th Century Historical Maps
County Louth : Drogheda : sheet 20 is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
The original work is in the public domain
Downloaded data can only be used for educational purposes or for research projects which are non-commercial. For all other uses, please contact the Ordnance Survey Ireland. See: http://www.osi.ie
Digital rights: Ordnance Survey Ireland