70»N 



65« 



eo« 



55« 



50* 



45« 



40* 



35" 



30»N 





OCEANIC POLAR FRONT AT 200M IN 

 AUTUMN 1958 



OCEANIC POLAR FRONT AT 200M IN 

 SPRING 1958 



T 



/ / 



I I 1 V 



X 



70" N 



30" N 



50"W 45" 40* 3S» 30* 25* 20* 15" lO'W 



Figure 17. The Oceanic Polar Front in the North Atlantic at 200 m depth in autumn and spring 1958, according to Dietrich 



(1964, fig. 8). 



16 



