54 



41° 16.300'N- 



41° 16.200'N 



41° 16.1001*- 



SAIC August 1992 vs. SAIC June 1991 Bathymetry 



Total Accumulation of Dredged Material 



over the Dow/Stonington Disposal Mound 



NL-III 



Survey 



Artifact 



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 3-9. Bathymetric contour plot of the depth difference between the SAIC August 

 1992 and SAIC June 1991 surveys showing total accumulation of dredged 

 material within the 500 m x 670 m analysis area, 0.2 m contour interval 



Monitoring Cruise at the New London Disposal Site, 1992 - 1998 



