GEOGCS["Unknown datum based upon the Clarke 1880 (Benoit) ellipsoid (deprecated)",DATUM["Not_specified_based_on_Clarke_1880_Benoit_ellipsoid",SPHEROID["Clarke 1880 (Benoit)",6378300.789,293.466315538981,AUTHORITY["EPSG","7010"]],AUTHORITY["EPSG","6010"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4010"]]