Before revision: EPSG Code: 2157 29902 32629 See also ETRS89 GRS80 Spatial reference system References Irelands Surveying Infrastructure for the 21st Century by William Patrick Prendergast.
After revision: EPSG Code: 2157 29902 32629 See also ETRS89 GRS80 Spatial reference system References Ireland’s Surveying Infrastructure for the 21st Century by William Patrick Prendergast.