8 inner offset zero traces (49-56) added; source between traces 52 and 53 phone spacing 220 feet, inner offset 990 feet survey=land area=Alaska source=Vibroseis spread=split n1=1000 d1=.004 f1=.004 label1="Time (sec)" n2=104 d2=.067056 f2=-3.453384 label2="Offset (km)" n3=1 title="Oz 09" plottpow=2.322266