Dataset {
    Float32 time[time = 1];
    Float32 Z[Z = 1000];
    Float32 time_bnds[time = 1][nv = 2];
    Grid {
      Array:
        Float32 Pressure[Z = 1000];
      Maps:
        Float32 Z[Z = 1000];
    } Pressure;
} SimpleGroup.nc4;