The Irish grid reference system is a system of geographic grid references used for paper mapping in Ireland (both Northern Ireland and the Republic of Ireland).
The Irish national grid reference system is the system of grid references used in Northern Ireland and the Republic of Ireland.
The Irish national grid reference system is the system of grid references used in Northern Ireland and the Republic of Ireland.
Simplificación: The Irish grid reference system is a system of geographic grid references used for paper mapping in Ireland (both Northern Ireland and the Republic of Ireland). Producción: