Dataset {
    Sequence {
        String CRUISE_ID;
        String GEAR_DESC;
        String VESSEL;
        String YEAR;
        String START_DATE;
        String END_DATE;
        String OPS_ID;
        String DOE;
        String DOC;
        String UOE;
        String UOC;
        Float64 PURPOSE_CODE;
    } hydro_cruise;
} hydro_cruise;