25 



I Mound 

 Accumulation of New Dredged Material 

 Depth Difference September 1997 versus 

 July 1996 over July 1996 Bathymetry 



40° 59.300' N 



40° 59.200' N 



40° 59.100' N 



073° 29.200' W 073° 29.100' W 073° 29.000' W 073° 28.900' W 



WLIS, NAD 27 



Difference and Depth in IVIeters 



Contour Interval, 0.25 m 



m 



ID 

 200 m 



Figure 3-2. Depth difference plot of the I mound, from July 1996 to September 1997 

 bathymetric surveys over the southwestern quadrant of WLIS 



Monitoring Cruise at the WLIS Disposal Site, September 1997 and March 1998 



