VERT_CS["EGM96_height_(ftUS)",
    VERT_DATUM["EGM96 geoid",2005,
        AUTHORITY["EPSG","5171"]],
    UNIT["US survey foot",0.304800609601219,
        AUTHORITY["EPSG","9003"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["ESRI","105798"]]