Dataset {
    Float32 Z[Z = 65];
    Grid {
     ARRAY:
        Float32 gas_age[Z = 65];
     MAPS:
        Float32 Z[Z = 65];
    } gas_age;
    Grid {
     ARRAY:
        Float32 ice_age[Z = 65];
     MAPS:
        Float32 Z[Z = 65];
    } ice_age;
    Grid {
     ARRAY:
        Float32 max[Z = 65];
     MAPS:
        Float32 Z[Z = 65];
    } max;
    Grid {
     ARRAY:
        Float32 mean[Z = 65];
     MAPS:
        Float32 Z[Z = 65];
    } mean;
    Grid {
     ARRAY:
        Float32 min[Z = 65];
     MAPS:
        Float32 Z[Z = 65];
    } min;
} CO2;