VERTCRS["Danger 1950 height",
    VDATUM["Danger 1950"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey."],
        AREA["St Pierre and Miquelon - onshore."],
        BBOX[46.69,-56.48,47.19,-56.07]],
    ID["EPSG",5792]]