GMT example - Basemap

#Put coastlines, national boundaries, rivers and scales and grid
pscoast -R-111/-102/31/44 -Jm1:10000000 -Lf-106/43.5/40/100 \
\-Df -B2 -Na/5/0/205/96 -C255/255/255 -S255/255/255 -K > CDbase.ps

#Bring in coord files
psxy -: NM_ref.pc -R -Jm -W1/168/0/255 -G168/0/255 -L -M -O -K >> CDbase.ps

psxy -: r2d3 -R -Jm -W1/168/0/255 -G168/0/255 -L -M -O -K >> CDbase.ps
psxy -: cmor -R -Jm -W1/168/0/255 -G168/0/255 -L -M -O -K >> CDbase.ps
psxy -: guber -R -Jm -W1/168/0/255 -G168/0/255 -L -M -O -K >> CDbase.ps

psxy -: bear -R -Jm -W1/168/0/255 -G168/0/255 -L -M -O -K >> CDbase.ps
psxy -: blackhills -R -Jm -W1/168/0/255 -G168/0/255 -L -M -O -K >> CDbase.ps
psxy -: wyo1 -R -Jm -W1/168/0/255 -G168/0/255 -L -M -O -K >> CDbase.ps
psxy -: wyo2 -R -Jm -W1/168/0/255 -G168/0/255 -L -M -O -K >> CDbase.ps
psxy -: wyo7-12-93 -R -Jm -W1/168/0/255 -G168/0/255 -L -M -O -K >> CDbase.ps
psxy -: wyo7-5-93 -R -Jm -W1/168/0/255 -G168/0/255 -L -M -O -K >> CDbase.ps

psxy -: cdllee99.txt -R -Jm -W7/0/205/205 -O -K >> CDbase.ps
psxy -: cdshlle99.txt -R -Jm -Sa0.07 -G0/0/255 -W3 -O -K >> CDbase.ps

psxy cities.txt -R -Jm -Ss0.07/0/0/0 -G0/0/0 -O >> CDbase.ps

# Start ghostview
ghostview CDbase.ps
 
rm -i CDbase.ps