300 



400 800 



TIME CSEC) 



1200 



Figure E-7. South Pass, 1500 to 1520 c.d.t., I = 260, G = 0.60. 



300 



400 800 



TIME (SEC) 



1200 



Figure E-8. South Pass, 1520 to 1540 c.d.t., I = 260, G = 0.59. 



109 



