3950=PROJCS["RGF93 v1 / CC50",GEOGCS["RGF93 v1",DATUM["Reseau_Geodesique_Francais_1993_v1",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4171"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",50],PARAMETER["central_meridian",3],PARAMETER["standard_parallel_1",49.25],PARAMETER["standard_parallel_2",50.75],PARAMETER["false_easting",1700000],PARAMETER["false_northing",9200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3950"]]