i — — r 



t — r 



\ 



OVERLAPPING SCAN WIOTHS 



\ 



La -IOOOFT-»-j ^S. 



S^: 



J L 



\glM HIGH BACKSCATTER 



[ "J LOW BACKSCATTER 



a. predisposal 



n|<illilll. << \i _ji "t^t 



iiiii! 

 "Hid 



<U| || || ill I 



ii. 



4 



ill'liL 



Si 



% 



*1* 



I 



j s l 



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HIGH BACKSCATTER 



| | LOW BACKSCATTER 



b. postdisposal 



Figure 36. Maps of the Dam Neck Disposal Site produced 

 from side-scan sonar records 



56 



