PROJCS["UTM Zone 21, Southern Hemisphere",GEOGCS["GRS 67(IUGG 1967)",DATUM["unknown",SPHEROID["GRS67",6378160,298.247167427]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["Meter",1]]
