; Note: as of NCL V6.2.0, you don't need these load commands
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"

begin
  wks = gsn_open_wks("x11","map_minres")

;---Set some resources
  res                   = True

  res@gsnMaximize           = True     ; maximize plot in frame

;---Zoom in on map
  res@mpMinLatF             = 54
  res@mpMaxLatF             = 70
  res@mpMinLonF             =  4
  res@mpMaxLonF             = 20

  res@mpDataBaseVersion     = "MediumRes"   ; "LowRes", "HighRes"

  plot = gsn_csm_map(wks,res)
end