\ 



1.0°° 



CORRECTED COUNT RATE (C/S) 



] < I X Background 



HP < 4 X Background 



^ < 16 X Background 



| > 16 X Background 



■V 



EXPLANATION i 



Survey Track Line, Date 25 September :I045-II0I 

 Approximate Injection Line, 25 September 1968 

 Approximate Depth Contours 

 Approximate Zone of Breaking Waves . 

 Approximate Tide Line 



\ 



V 8 



,-\r 



-V 



Figure 11. Pattern of xenonated sand immediately after release. The 

 detector was operating and towed behind the LARC XV during 

 emplacement of the sand. 



18 



