PROJCS["NTF_Paris_Lambert_Zone_IV",GEOGCS["GCS_NTF_Paris",DATUM["Nouvelle_Triangulation_Francaise_(Paris)",SPHEROID["Clarke_1880_IGN",6378249.2,293.466021293627]],PRIMEM["Paris",2.33722917],UNIT["Grad",0.0157079632679489]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",234.358],PARAMETER["False_Northing",4185861.369],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",46.85],PARAMETER["Scale_Factor",0.99994471],PARAMETER["Latitude_Of_Origin",46.85],UNIT["Meter",1.0]],VERTCS["NGF_IGN78",VDATUM["Nivellement_General_de_la_France_IGN78"],PARAMETER["Vertical_Shift",0.0],PARAMETER["Direction",1.0],UNIT["Meter",1.0]]