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