9521=COMPD_CS["POSGAR 2007 + SRVN16 height",GEOGCS["POSGAR 2007",DATUM["Posiciones_Geodesicas_Argentinas_2007",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","1062"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5340"]],VERT_CS["SRVN16 height",VERT_DATUM["Sistema de Referencia Vertical Nacional 2016",2005,AUTHORITY["EPSG","1260"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9255"]],AUTHORITY["EPSG","9521"]]