Dataset {
    Int32 gid[gid = 658];
    Grid {
     ARRAY:
        Float64 area[gid = 658];
     MAPS:
        Int32 gid[gid = 658];
    } area;
    Byte basin_name[gid = 658][13];
    Byte label[gid = 658][20];
    Byte sub_basin_code[gid = 658][5];
    Sequence { Sequence { Sequence { Float64 ordinate; Float64 abscissa; } ring; } polygon; } the_geom[gid = 658];
} Sub_Basins;