LIST OF FIGURES 



Page 



Figure 1 - 1 . Site location map of the Boston Lightship Disposal Site 2 



Figure 1-2. The relative locations of dredged material located by side-scan 

 sonar; 1994 REMOTS® sampling transects; a depositional 

 sedimentary environment above the 50 m depth contour; and 

 a proposed disposal location 4 



Figure 2-1 . REMOTS® sampling transects 6 



Figure 3-1. The number of stations per transect where dredged material was 



observed in the REMOTS® images 10 



Figure 3-2. Light gray, high reflectance Boston Blue Clay located at Stations 



C3-10 (A) and C2-7 (B) 11 



Figure 3-3 . Layer of biogenically reworked sediments over dredged material 



and large Stage III polychaete feeding in the dredged material layer 12 



Figure 3-4. Transect average apparent redox potential discontinuity depths (cm) 13 



Figure 3-5 . Example of a thick RPD (4 cm) observed at Station C3-1 15 



Figure 3-6. Surface sediments at BLDS colonized by Stage II 



"stick-building" amphipods (Family Podocerdiae; A) and 



Stage III tube-dwelling polychaetes (B) 16 



Figure 3-7. Water-filled feeding void below the RPD at Station C6-4 17 



Figure 3-8. Bioturbating caudate holothurian Molpadia oolitica at Station C2-10 18 



Figure 3-9. Transect average Organism-Sediment Index values 19 



Figure 3-10. Summary of bottom features observed in plan view photographs 20 



Figure 3-11. Possible construction debris— large, sharp-angled, silt-covered 

 rocks observed in plan view photographs from transects CI (A) 

 andC4(B) 22 



iv 



