COMPD_CS["ETRS89 / NTM zone 21 + NN2000 height",PROJCS["ETRS89 / NTM zone 21",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",58],PARAMETER["central_meridian",21.5],PARAMETER["scale_factor",1],PARAMETER["false_easting",100000],PARAMETER["false_northing",1000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Northing",NORTH],AXIS["Easting",EAST],AUTHORITY["EPSG","5121"]],VERT_CS["NN2000 height",VERT_DATUM["Norway Normal Null 2000",2005,AUTHORITY["EPSG","1096"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5941"]],AUTHORITY["EPSG","5961"]]