67*55 



EXPLANATION 



* CUKRCirT ICTCII 



— OIVC TRAVCIVaC 



« MULTtPU orvi nuve*3Cs 



[m]sAlC cues 



— MCT SCOIlDr TIUflSPOirT 



Q mm SAMOT kravcl 



■40*30' 



Figure 20. Map of Gilbert and Lydonia Canyons located on the southern margin 



of Georges Bank. Gilbert, a large canyon, has greater volume and relief than 



Lydonia, a median-size canyon, which is longer. Dashed line is location of 



section in Figure 11 (adapted from Valentine 1987). 



82 - 



