data       = asciiread("annotate.txt",-1,"string")
   lats       = tofloat(str_get_field(data,2," "))
   lons       = tofloat(str_get_field(data,3," "))
   city_state = str_get_cols(data,22,-1)
   cities     = str_get_field(city_state,1,",")  ; Remove the ",IN"

; Start the graphics.
   wks      = gsn_open_wks("png","annotate")         ; send graphics to PNG file
   res                       = True
   res@mpFillOn              = False
   res@gsnTickMarksOn        = False 
   map = gsn_csm_map_ce(wks,res)                  ; create map

   txres               = True
   txres@txJust        = "CenterLeft"
   txres@txFontHeightF = 0.01
   text = gsn_add_text(wks,map,"  " + cities,lons,lats,txres)
; Add dots
   mkres               = True
   mkres@gsMarkerIndex = 16
   mkres@gsMarkerColor = "blue"
   markers = gsn_add_polymarker(wks,map,lons,lats,mkres)

   draw(map)         ; Now draw map and advance frame.
   frame(wks)        ; Dots and text will be drawn too.