ipsoid', 'EPSG', 4033, 'GEOGCS["Unknown datum based upon the OSU91A ellipsoid",DATUM["Not specified (based on OSU91A ellipsoid)",SPHEROID["OSU91A",6378136.3,298.257223563,AUTHORITY["EPSG","7033"]],AUTHORITY["EPSG","6033"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.017453292519943278,AUTHORITY["EPSG","9122"]],AXIS["Lat",NORTH],AXIS["Lon",EAST],AUTHORITY["EPSG","4033"]]', NULL);