PROJCS["Sinusoidal",GEOGCS["GCS_unnamed ellipse",DATUM["D_unknown",SPHEROID["Unknown",6370997,0]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Sinusoidal"],PARAMETER["central_meridian",0],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["Meter",1]]