54»W 



52« 



50* 



50»N 



49* 



48* 



47* 



46* 



45 



44< 



43* 



42* 



41 



40»N 



48* 



1 r 



46* 



44»W 



100 fms 



/ Pv, *' 



hvolon 

 fPtnintulo 



'°lo^::^/fii^_^o^ii 

 '^ ^'4 '^^''9l'o" 



J ^ L 



50»N 



40*N 



54»W 



52* 



50* 



48* 



46* 



44»W 



FiGiKE 42. Field of Mtandaid deviation of dynamic iieifiiit of the individual surveys from the 



A|)ril normal, ('ontt)ur level is 1 dynamic t'entimeter. 



48 



