MARTHA'S VINEYARD 



SItell ^""lin, Kelrin Croup 



Joj.p,ine Ji'±tr' 



Sea mount 



GIBRALTAR 



iSOO FATHOMS 



MARTHA'S VINEYARD 

 Shelf "'">. 



Bermuda 



NAUTICAL MILES 



33O0 UTMOUS 



CAPE HENRY 



Shelf Co„,^ 



Mid - Alio If li c Ridge 



mo B£ OHO 

 Pvnta Dijmfoe^ 



iSOO FtTHOIS 



j k 2000 



Fig. 36. Three profiles across the North Atlantic. (After Heezen tt al., 1959.) 



/ 2500 



