! NOAA/PMEL TMAP
 ! FERRET v6.1  
 ! Linux(g77) 2.6.9-22. - 03/26/08
 ! 22-Mar-13 11:01     

define axis/x=-178:178:`360/96` x96
define axis/y=-89:89:`180/80` y80
define grid/x=x96/y=y80 g96x80
set data/ez/variables=rdf1/grid=g96x80/skip=2/columns=96 "river_destination_field"
set data/ez/variables=rdf2/grid=g96x80/skip=402/columns=96 "river_destination_field2"
fill rdf1
sh d
fill rdf1[d=1]
fill rdf2[d=2]
fill rdf1[d=1]+96*(rdf2[d=2]-1)