Dataset {
  Grid {
    ARRAY:
      Float32 topo[time = 1][lat = 3600][lon = 7200];
    MAPS:
      Float64 time[time = 1];
      Float64 lat[lat = 3600];
      Float64 lon[lon = 7200];
  } topo;
  Float64 time[time = 1];
  Float64 lat[lat = 3600];
  Float64 lon[lon = 7200];
} topo/W000S60;