set tit "Trip to Iowa and Sis 20 Dec 2001 - 4 Jan 2002"
set label "+ ams" at    4.763385 , 52.30907		# Amsterdam, The Netherlands
set label "+ ord" at  -87.9051614, 41.9766397		# Chicago, Illinois, USA
set key

set xrange [-100:10]
set yrange [10:65]
plot 'europe-cil-10.dat' t "Coastlines" w l ls 2, 'europe-bdy-10-post1989.dat' t "Borders" w l ls 1, \
     'namer-cil-10.dat' t "" w l ls 2, 'namer-bdy-10.dat' t "" w l ls 1, \
     'samer-cil-10.dat' t "" w l ls 2, 'samer-bdy-10.dat' t "" w l ls 1, \
     '2001-us-15.dat' t "Iowa and LaFayette, USA" w l ls 4 

set xrange [-130:-70]
set yrange [20:50]
replot

unset label