24° 



162° 



160° 



158° 



156° 



154° 



22° 



20° 



18° 



1 r 



20 35 



5 25 



\ 



^'\.t "\^o 



162° 



■^^-SS ^ 15 '25 



/ ?° VsB N5 " 



50 A < — 20 



I 20 



\45 * 



/ 



^ 30 



/ f 



*^ JO 



^ 5,5 

 35 



* 35 

 5 20 / 



/ /.&--''° 



/ •^ 50 A «— 20 ^^10 ^^^(^ /I5 ^^20 



/ ^ ^ 55 ^ _- ,. 30 30__ ^^^ ^ "^ . 



" 3^^ , 3I -^ ^^ '? ^ ^ '^ 25^ 



/ ^0 25 ,t^ ^W^ 5 



^30 V'° ^ ;' ^^/w///////////y^- ^ 

 10 ,„ \^65 ,'0 rY\ 



-30 ^l-- 70 » 



^42 5 80 



100 5o\ 



\mO 25^ 



V . 20 40 



is 35 



.^20 25 / 



15 / 



J ^^^ 1 



24° 



22° 



20° 



18° 



160° 



158° 



156° 



154° 



Figure 30. --Geomagnetic electrokinetograph (GEK) current speeds 

 in cm. /sec. and directions, H. M. Smith cruise 21, August 1953. 



56 



