Dataset {
    Float32 Y[Y = 6336];
    Float32 X[X = 10800];
    Structure {
        Grid {
         ARRAY:
            Float32 height[Y = 6336][X = 10800];
         MAPS:
            Float32 Y[Y = 6336];
            Float32 X[X = 10800];
        } height;
    } seafloor;
} Sandwell;