PROJCS["UTM Zone 21, Southern Hemisphere",GEOGCS["GRS 1980[IUGG, 1980]",DATUM["D_unknown",SPHEROID["GRS80",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["false_easting",500000.0],PARAMETER["false_northing",10000000.0],PARAMETER["central_meridian",-57.0],PARAMETER["scale_factor",0.9996],PARAMETER["latitude_of_origin",0.0],UNIT["Meter",1.0]]