53 



41° 08.500' N 



Signal Return (dB) 

 Harder 

 108.00 



104.00 



100.00 



96.00 



92.00 



88.00 



84.00 



80.00 

 Softer 



72° 54.000' W 72° 53.500' W 72° 53.000' W 72° 52.500' W 



CLIS 



SACS Results 



Strength of Signal Return (dB) 



NAD 27 



m 400 m 800 m 



Figure 3-23. Color contour plot of the SACS signal returns, overlaid on July 1994 



bathymetry over the 2553 m x 2225 m survey area, 4.0 dB shading interval 

 (SACS), 0.25 m contour interval (bathymetry) 



Monitoring Cmise at the Central Long Island Sound Disposal Site, July 1994 



