Made with GRASS GIS, The Gimp and Inkscape software from public-domain GIS data (SRTM3, VMAP0). The relief shading is embedded bitmap graphics. The rivers, roads, railroads and shoreline are from the VMAP0 database. Additional references: Wikipedia Northern Ireland related articles and lists and the 'Great Road Atlas of Europe', Freytag&amp;Berndt u. Artaria KG, Vienna 2007.
Own work
Andrein