pro rpt_minmax,info,field,fmin,fmax
    var = ncdf_varinq(info.cdfid,field.idvar)
    dimnames = ''
    dimsizes = ''
    for ii=0,var.ndims-1 do begin
      dimid = var.dim[ii]
      ncdf_diminq,info.cdfid,dimid,dimname,dimsize
      dimsizes = dimsizes + string(dimsize,format="(i4)")
      dimnames = dimnames+' '+dimname
    endfor
    print,'Field ',field.name,' (',field.units,')',$
      ' data[',dimnames,' = ',dimsizes,']'
    print,'  data min,max = ',fmin,fmax
end