VERTCRS["NAD_1983_MA11",
    VDATUM["D_NAD_1983_MA11"],
    CS[vertical,1],
        AXIS["ellipsoidal height (h)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["Guam, Northern Mariana Islands and Palau; onshore and offshore."],
        BBOX[1.64,129.48,23.9,149.55]],
    ID["ESRI",115759]]