LIST OF FIGURES (continued) 



Page 



Figure 3-9. Bathymetric contour plot of the depth difference between the SAIC 



August 1992 and SAIC June 1991 surveys showing total accumulation of 

 dredged material within the 500 m x 670 m analysis area, 0.2 m contour 

 interval 54 



Figure 3-10. Distribution map of surface sediment type over fresh and/or historic 

 dredged material in the vicinity of the new NL-91 and D/S mound 

 complex at NLDS 57 



Figure 3-11. Contour lines based on sediment stratigraphy as detected with REMOTS® 



sediment-profile photography 58 



Figure 3-12. REMOTS® photograph of Station 200S depicting a sand layer over fresh 



dredged material 59 



Figure 3-13. REMOTS® photograph of Station 300SE depicting a layer of biologically 



reworked dredged material over fresh dredged material 60 



Figure 3-14. Spatial distribution of the major modal grain size for the 1992 REMOTS® 

 sediment-profile photography stations over the NL-91 and D/S mound 

 complex 61 



Figure 3-15. REMOTS® photograph of Station 400S depicting a layer of pebble and 



shell over reworked dredged material 63 



Figure 3-16. Spatial distribution of Redox Potential Discontinuity depths for the 1992 



REMOTS® stations on the disposal mound 64 



Figure 3-17. Spatial distribution map of successional stage status for the NL-91 and 



D/S mound complex 65 



Figure 3-18. REMOTS® photograph of Station 600SE depicting a healthy Stage II 

 community consisting of the tube-dwelling amphipod Ampelisca sp. 

 recolonizing fresh dredged material 66 



Figure 3-19. Distribution map of Organism Sediment Index (OSI) values over the 



NL-91 and D/S mound complex as detected in the August 1992 REMOTS® 

 sediment-profile photography survey 69 



