









IIk^ 



^^I^mH 



CORE 33-l77inches 



CORE 44- 48 inches 



5 10 



li I I I I I I I I > 



SCALE (mm) 



Figvire 10. Typical samples of the coarse gravelly sand (Unit E) 



occurring in Thimble Shoals Channel and under Tail 



of the Horseshoe. 



24 



