Dataset {
    Int32 gid[gid = 55];
    Byte amap11[gid = 55][11];
    Grid {
     ARRAY:
        Int32 geom_id[gid = 55];
     MAPS:
        Int32 gid[gid = 55];
    } geom_id;
    Byte h_name[gid = 55][13];
    Byte lvlid[gid = 55][21];
    Byte namemaj[gid = 55][13];
    Grid {
     ARRAY:
        Float64 sqkm[gid = 55];
     MAPS:
        Int32 gid[gid = 55];
    } sqkm;
    Sequence { Sequence { Sequence { Float64 ordinate; Float64 abscissa; } ring; } polygon; } the_geom[gid = 55];
} Health_Districts;