VERTCRS["MSL NL depth",
    VDATUM["Mean Sea Level Netherlands"],
    CS[vertical,1],
        AXIS["depth (D)",down,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Hydrography, drilling, offshore engineering."],
        AREA["Netherlands - offshore North Sea and nearshore."],
        BBOX[51.32,2.53,55.77,7.21]],
    ID["EPSG",9288]]