^t^t^^Stia^^ 



^ 



_jgt»"[C 



Figure 30. Profile PL-0 on 12 July 1971, looking south. Note berm 

 runnel. Scale is 300 centimeters. 



Figure 31. Profile PL-0 on 14 July 1971, looking north. Back surface 



of ridge is still active. Note small ridges on berm surface. 



49 



