https://www.cyfoethnaturiol.cymru/permits-and-permissions/permit-applications-consultations-and-decisions/marine-licensing-decisions/sc2002-screening-and-scoring-opinion-for-the-proposed-holyhead-breakwater-refurbishment/?lang=cy
Cyfoeth Naturiol Cymru / SC2002 Sgrinio a chwmpasu ar gyfer yr adnewyddiad arfaethedig o forglodd...