56 



Depth Difference 



Apparent Consolidation and Accummulation 

 over the 1 997-1 998 Disposal Season 

 July 1998 vs. September 1997 Bathymetric 

 1000 x 1000 m Survey Area 



41° 16.700' 



41° 16J 



41° 16.500' 



41° 16.400' 



41° 16.300' 



Depth Difference 

 Due To 

 Survey Artifacts 







72° 05 000' W 



Corrected to MLLW 

 Contour Interval 0.25 m 



72° 04.750' W 



72° 04.500' W 



NLDS 



Depth in meters 



NAD 83 



0m 



200 m 



400m 



Figure 3-12 Depth difference comparison between 1998 and 1997 1000 x 1000 m 

 bathymetric surveys showing minor consolidation and accumulation. 



Monitoring Cruise at the New London Disposal Site, Seawolf Mound 1995 - 1998 



