PROJCS["Voirol 1875 / Nord Algerie (ancienne)", GEOGCS["Voirol 1875", DATUM["Voirol_1875", SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627, AUTHORITY["EPSG","7011"]], AUTHORITY["EPSG","6304"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4304"]], PROJECTION["Lambert_Conformal_Conic_1SP"], PARAMETER["latitude_of_origin",36], PARAMETER["central_meridian",2.7], PARAMETER["scale_factor",0.999625544], PARAMETER["false_easting",500000], PARAMETER["false_northing",300000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","30491"]]