! Description: overlay of bering sea & asian 1000m isobath
! contributed by Mick Spillane, NOAA/PMEL 1992

cancel mode verify	! ... now overlaying 1000m isobath ...

set data/save
define axis/x=1:2570:1 axtb
define grid/x=axtb gtb

file/col=2/form=(2f9.5)/var="xtb,ytb"/grid=gtb bering_iso1000.dat

set variable/bad=999.0 xtb
set variable/bad=99.0  ytb
plot/set/vs/over/nolab/x=1:2570 xtb,ytb
ppl pen 1 2
ppl plot/over

cancel data bering_iso1000.dat
set data/restore
set mode/last verify

