VERTCRS["COH88 2025 (NAVD88) height",
    VDATUM["Derived California Orthometric Heights of 1988 epoch 2025"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["United States (USA) - California."],
        BBOX[32.53,-124.45,42.01,-114.12]],
    ID["EPSG",10918]]