30° 



162° 



160° 



158° 



156° 



154° 



28' 



26' 



^A: 



24° 



1251 

 25 



<-7^(35) 



•^(35) 

 30 



^--(20) 



30*^ 

 1301 



^30 

 (351 



*=-20 

 1201 



(20) 

 25(25) 



\ 



20(20) 



20 



1 



» •^(10) \ 

 «-j'i25) ^5 '" 15 



IS (101 



~(201 



15(51 



».^ 



K 20 



'X ]W°1 25 



>0^ 



1 30 



25(20)*'\ 



20 



22° 



20° 



2515 

 2' 



6' 



25(451 

 .20 



5 



(i 

 25 50 



"5 



75 

 55 



(70) 



\ 

 40<' 



^if y° \ / (20Vr^ 



■^ 10 25 50 \ ^ 



"-7 \ ^^^V ^ 



H^o^' 



(201 

 20 



"(15) 

 <--(l01 



J60) 

 •?^(50) 

 30 



'--<I51,. >0) 



^25 



30'; / 



'D |K 20 ^ ^/////i^^^W^ 



/ 55 / Xl\ *^'° "^ 



60 *- ^" \ 40^ 



* \ ^ (5) INSOI 



5^ *-(20) i-\5 



\ 45 / 40(251 



i 35 2o'^| V>'2 



(251 



18° 



162° 



160° 



30° 



28° 



2 6° 



24° 



22° 



20° 



18° 



Figure 16. --Geomagnetic electrokinetograph (GEK) current speeds 

 in cm. /sec. and directions, H. M. Smith cruise 20, March 1953. 

 Dashed arrows and numbers in parentheses indicate observations 

 with floated electrodes. 



44 



