Dataset {
    Int32 gid[gid = 358];
    Grid {
     ARRAY:
        Float64 area_calc[gid = 358];
     MAPS:
        Int32 gid[gid = 358];
    } area_calc;
    Grid {
     ARRAY:
        Int32 basin_id[gid = 358];
     MAPS:
        Int32 gid[gid = 358];
    } basin_id;
    Byte drainage[gid = 358][32];
    Grid {
     ARRAY:
        Int32 gtn_r_sta[gid = 358];
     MAPS:
        Int32 gid[gid = 358];
    } gtn_r_sta;
    Grid {
     ARRAY:
        Int32 in_out[gid = 358];
     MAPS:
        Int32 gid[gid = 358];
    } in_out;
    Grid {
     ARRAY:
        Int32 subbas_num[gid = 358];
     MAPS:
        Int32 gid[gid = 358];
    } subbas_num;
    Sequence { Sequence { Sequence { Float64 ordinate; Float64 abscissa; } ring; } polygon; } the_geom[gid = 358];
} GTN_River_Basins;