Dataset {
    String province[province = 238];
    Float32 BaseYears[BaseYears = 29];
    Grid {
     ARRAY:
        Float64 int_dBaseYears[BaseYears = 29][province = 238];
     MAPS:
        Float32 BaseYears[BaseYears = 29];
        String province[province = 238];
    } int_dBaseYears;
} int_dBaseYears;