phone spacing 340 feet, inner offset 340 feet survey=land area=Louisiana source=Alog(Dyn) spread=offend n1=1500 d1=.004 f1=.004 label1="Time (sec)" n2=24 d2=.103632 f2=.103632 label2="Offset (km)" n3=1 title="Oz 03" plottpow=0.001953