GEOGCS["Unknown datum based upon the Clarke 1880 (Arc) ellipsoid (deprecated)",DATUM["Not_specified_based_on_Clarke_1880_Arc_ellipsoid",SPHEROID["Clarke 1880 (Arc)",6378249.145,293.4663077,AUTHORITY["EPSG","7013"]],AUTHORITY["EPSG","6013"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4013"]]