Attributes {
    min {
        String PGtype "varchar";
        String units "ids";
        String long_name "GMI code";
        Float32 valid_min 0.0;
        Float32 valid_max 255.0;
        String history "min over objectid[1, 253]";
    }
NC_GLOBAL {
    String Conventions "IRIDL";
}
}