— 27M5' 



1 , 

 80° 13 



+ 



1, 

 12 



1^, 



//-J /^ 



lO' 



+ 



1 

 80°09 



+ 



27°45' — 



— 44' 



+ 



+ , 



; 

 o 



' / 1 \\ 



/ IM 



' 



+ 



44' — 



— 43' 



+ 



i; 

 1 " 



-A II 

 $ II 



r /// 



4 



+ 





43' — 



— 42' 





L 



° M + 





42' — 



-^'^-- 



■? \ ^—-^ 



jSi""^ 



M 



I, 



£1 



„ 41' — 





v**°\ 



h_ 



V V^y ao— 



w 



/ 



^ 





i^ — T 



-'' 



/ 



\ 



■^ ^/*' 



i 



-40'C^ 



'f+ I 



V) 



/ + /- 



At' 



+ 



40' — 





J^ 



ivj^ 





.* _-^ 



^ 





.^-^^ 



V° 



^X 



^^BETHEL SHOAL 





-3S' D 



4- 



.afeOT \ > 



/^ 



ISOPACHOUS MAP 



39' — 







\ \ .---'''''^ 





SURFACE TO Z HORIZON 





E -— ^^ 



\*'' 





EXPLANATION 



®. Core 





— 27«38' 





— L-^ \ 



+ 



t< Survey 



* 2515 



Line ond Navigation Fix 



27°38' — 





80°I3' 



12' 



II' ^= 

 1 





Scale in Yards 





250 



1 



500 1000 

 1 



1500 



Figure 28. Isopachous Map of Sediment Thickness between the Water- 

 Sediment Interface and the "Z" Horizon Underlying 

 Bethel Shoal. 



58 



