VERT_CS["CGVD2013a(1997) height",VERT_DATUM["Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 1997",2005,AUTHORITY["EPSG","1326"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","20035"]]