BOUNDCRS[SOURCECRS[PROJCRS["RGF93 v2 / CC50",BASEGEOGCRS["RGF93 v2",DATUM["Reseau Geodesique Francais 1993 v2",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",9777]],CONVERSION["France Conic Conformal zone 9",METHOD["Lambert Conic Conformal (2SP)",ID["EPSG",9802]],PARAMETER["Latitude of false origin",50,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8821]],PARAMETER["Longitude of false origin",3,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8822]],PARAMETER["Latitude of 1st standard parallel",49.25,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude of 2nd standard parallel",50.75,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting at false origin",1700000,LENGTHUNIT["metre",1],ID["EPSG",8826]],PARAMETER["Northing at false origin",9200000,LENGTHUNIT["metre",1],ID["EPSG",8827]]],CS[Cartesian,2],AXIS["easting (X)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing (Y)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Cadastre, engineering survey."],AREA["France - mainland onshore north of 49°N."],BBOX[49,-2.03,51.14,8.08]],ID["EPSG",9830]]],TARGETCRS[GEOGCRS["NTF",DATUM["Nouvelle Triangulation Francaise",ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],USAGE[SCOPE["Geodesy."],AREA["France - onshore - mainland and Corsica."],BBOX[41.31,-4.87,51.14,9.63]],ID["EPSG",4275]]],ABRIDGEDTRANSFORMATION["RGF93 v2 to NTF (2)",METHOD["NTv2",ID["EPSG",9615]],PARAMETERFILE["Latitude and longitude difference file","rgf93_ntf.gsb"],USAGE[SCOPE["Transformation of coordinates at 1m level of accuracy."],AREA["France - onshore - mainland and Corsica."],BBOX[41.31,-4.87,51.14,9.63]],ID["EPSG",9890],REMARK["Emulation of transformation NTF to RGF93 v2 (1), code 9888. Note that grid file parameters are of opposite sign. Parameter file is from RGF93 v1 to NTF (code 15958), assuming that RGF93 v1 is equivalent to RGF93 v2 within the accuracy of the CT."]]]