Maps of Dialect areas in Uk and Ireland. Based on Hughes &amp; Trudgill, 1996, "English Accents and Dialects"Other information
Based on the following maps and information:

British_Isles_in_counties.svg/697px-British_Isles_in_counties.svg.png
http://webspace.ship.edu/cgboer/england-counties-dialects.gif
Hughes &amp; Trudgill, 1996, "English Accents and Dialects" p. 65
With inkscape
Maunus