North Wales navigator : ultra-large scale road map = Gogledd Cymru navigator : mapio gradd tra-fawr.
[S.l.] : Philips,
2008.
Relief shown by spot heights.
Town plans Bangor, Holyhead and Wrexham = Cynlluniau tref ar gyfer Bangor, Caergybi a Wrecsam.
Mapping sourced from Ordnance Survey = Mapio ffynhonnellwyd o'r Arolwg Ordnans.
Wales, North