53030=PROJCS["Sphere_Robinson",GEOGCS["Unknown datum based upon the Authalic Sphere",DATUM["Not_specified_based_on_Authalic_Sphere",SPHEROID["Sphere",6371000,0],AUTHORITY["EPSG","6035"]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199433]],PROJECTION["Robinson"],PARAMETER["longitude_of_center",0],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","53030"]]