50 



41° 16.300' N 



41° 16.200' N - 



41° 16.100' N- 



Depth Difference 



SAIC June 1991 vs. Ocean Surveys, Inc. 



December 1991 Bathymetry 



Gwen Mor Marina 

 Port Niantic, Inc 



Dow Chemical Co. 

 Town of Stonington 



o 



1 1 1 1 1 



72° 04.600' W 72° 04.500' W 72° 04.400' W 72° 04.300' W 72° 04.200 



W 



NLDS 



Mound Height in meters 



NAD 27 



m 100 m 200 m 



Figure 3-5. Bathymetric contour plot of the depth differences between the SAIC June 

 1991 and OSI December 1991 surveys showing accumulation of dredged 

 material at the precap stage of development, 0.2 m contour interval 



Monitoring Cruise at the New London Disposal Site, 1992 - 7995 



