You can view the letter and the revised site plan: Amendments to Parc Cybi Border Control Post, Holyhead Special Development Order.
Gallwch weld y llythyr a chynllun y safle diwygiedig yma: Gwelliannau i Safle Rheoli Ffiniau Parc Cybi, Gorchymyn Datblygu Arbennig Caergybi.