165' 



160' 



155' 



72"' 



71' 



70' 



69' 



68 < 



PT. BARROW 



•46 



•47 



• 49 



•033 



7rN 



170? 



165' 



Figure 1. — Location of bottom sediment samples collected in the eastern central Chukchi Sea, 22 Septeinber-18 

 October 1970, during WEBSEC— 70. The four stations prefixed by were obtained from previous University 

 of Washington cruises. 



180 



