COMPD_CS["NTF Lambert IV carto et NGF-IGN 1978",PROJCS["NTF Lambert IV carto",GEOGCS["NTF geographiques Paris (gr)",DATUM["Nouvelle_Triangulation_Francaise_Paris",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627,AUTHORITY["EPSG","7011"]],AUTHORITY["EPSG","6807"]],PRIMEM["Paris",2.33722917,AUTHORITY["EPSG","8903"]],UNIT["grad",0.0157079632679489,AUTHORITY["EPSG","9105"]],AUTHORITY["IGNF","NTFPGRAD"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",46.85],PARAMETER["central_meridian",0],PARAMETER["scale_factor",0.99994471],PARAMETER["false_easting",234.358],PARAMETER["false_northing",4185861.369],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["IGNF","NTFLAMB4C"]],VERT_CS["NGF-IGN 1978",VERT_DATUM["NGF-IGN 1978",2005,AUTHORITY["IGNF","REA011"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["IGNF","IGN78C"]],AUTHORITY["IGNF","NTFLAMB4C.IGN78C"]]