80 

 100 

 120 

 140 

 160 

 180 

 200 



100 

 120 

 140 

 160 

 180 

 2 00 



80 

 100 

 120 



140 



ISSi 



^^ Z77jz ^ r ==\~ z= r ~ ^ — — - 



wm& 



300 600 



SCALE IN METERS 



1000 2000 



ROXIMATE HOR SCALE IN FEET 



CEREN-GE 

 Figure 7. Three reduced east-west seismic profiles from the crossbed area shown in Figure 

 6. The topmost sediment is inferred to be Holocene age; the crossbed material is 

 Pleistocene fluvial sand and gravel and bore hole No. 2 indicates the dash-line is a 

 Pleistocene erosion surface on top of Coastal Plain strata. Numbers are navigation 

 fixes. 



28 



