LIST OF FIGURES 



Page 



Figure 2-1. Location of MBDS and reference stations in relation to 



Gloucester, Massachusetts 7 



Figure 2-2. REMOTS® station locations at MBDS, August 1990 9 



Figure 3-1. Contoured bathymetric chart (in meters) of the area 



surrounding the "MDA" buoy (former "FDA" buoy) at 



MBDS, August 1990 12 



Figure 3-2. Contoured bathymetric chart (in meters) of the area 



surrounding the "FDA" buoy at MBDS, November 1988 13 



Figure 3-3. Depth difference (in meters) contour map based on 

 comparison of the November 1988 and August 1990 

 precision bathymetric surveys at the "MDA" buoy 14 



Figure 3-4. Map of sediment grain size major mode for MBDS, August 1990 15 



Figure 3-5. REMOTS® photograph from the SE reference area 

 showing an ambient bottom of fine-grained material 

 and a Stage I on III assemblage (magnification lx) 16 



Figure 3-6. REMOTS® photographs from station 300E (A) and 

 the disposal site center (B); anomalous grain sizes 

 indicated the presence of dredged sediments (magnification lx) 17 



Figure 3-7. Frequency distribution of small-scale surface boundary 

 roughness values for disposal site stations and reference 

 stations at MBDS, August 1990 18 



Figure 3-8. Distribution of dredged material based on REMOTS® 



photography at the "MDA" buoy, August 1990 19 



Figure 3-9. REMOTS® photographs from stations 300W (A) and 



800W (B) showing a "chaotic" mixture of silts, fine sands, 

 and sands intermixed with clay in the recently disposed 

 dredged material (magnification lx) 21 



