المؤسسة
Land & Property Services – Ordnance Survey of Northern Ireland
Ordnance Survey of Northern Ireland® (OSNI®) is a National Mapping Authority and the official producer of high quality, accurate and current geographic mapping data for Northern...
قراءة المزيد
Stefan Beacom updated the مجموعة بيانات OSNI Open Data - Historical Six Inch to One Mile County Series Edition 1 (1829 - 1835) - Tyrone
