53«W 



50' 



47' 



44'>* 



SO^N 



1000 meters 



48' 



46' 



44' 



42 



40 



SCN 



971,2 



S-JO' 



i 



31 HAT 



a mi 



48' 



46' 



44< 



42' 



40' 



53«W 



50" 47' 



Figure 3A 



44'W 



26 



