Well Known Text

COMPOUNDCRS["NTF (Paris) + NGF-IGN69 height",GEOGCRS["NTF (Paris)",DATUM["Nouvelle Triangulation Francaise (Paris)",ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293626,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7011]],ID["EPSG",6807]],PRIMEM["Paris",0.040792344,ANGLEUNIT["radian",1,ID["EPSG",9101]],ID["EPSG",8903]],CS[ellipsoidal,2,ID["EPSG",6403]],AXIS["Geodetic latitude (Lat)",north],AXIS["Geodetic longitude (Lon)",east],ANGLEUNIT["grad",0.015707963267949,ID["EPSG",9105]],ID["EPSG",4807]],VERTCRS["NGF-IGN69 height",VDATUM["Nivellement General de la France - IGN69",ID["EPSG",5119]],CS[vertical,1,ID["EPSG",6499]],AXIS["Gravity-related height (H)",up],LENGTHUNIT["metre",1,ID["EPSG",9001]],GEOIDMODEL["ETRS89-FRA [RGF93 v2] to NGF-IGN69 height (2)",ID["EPSG",8371]],GEOIDMODEL["ETRS89-FRA [RGF93 v2] to NGF-IGN69 height (3)",ID["EPSG",8885]],GEOIDMODEL["ETRS89-FRA [RGF93 v2b] to NGF-IGN69 height (4)",ID["EPSG",9786]],GEOIDMODEL["ETRS89-FRA [RGF93 v2b] to NGF-IGN69 height (5)",ID["EPSG",9876]],ID["EPSG",5720]],ID["EPSG",7400]]