ALVIN 



SHALLOP 



=] 



ATLAHTIS 



HEIL TAPPtg 



DoeBopy 



WfLKn 



POWtLL 



ViATCH 



lYDO/IIA 



eiLSlKT 



OCiANOefAPHitt 



HYDttOetAPHif 



SEA LEVEL 

 500. 

 1000- 

 1500 



HUDSON 



1500 METERS 



Figure 22. Cross section of 12 Georges Bank (North Atlantic) canyons and 

 Hudson Canyon (Middle Atlantic) at the 200-ni isobath (see dashed lines in 

 Figures 8 to 10). Horizontal line above each section is sea level. No 

 vertical exaggeration. (Figure from Valentine 1987). 



- 84 



