56 55 54 53 52 51 50 49 48 47 46 45 44 



52 



^ 



51 



45 



44 



43 



42 



T 





LEGEND 

 A BERG 

 Q GROWl|.ER 

 -*FLIGH 



TRACK 



\ 



52 



50 



-49 



43 



LJ 



u 



FLIGHT 

 9JUN 



47 

 67 



i4d 



45 



J 



-44 



-43 



-142 



56 55 54 53 52 51 50 49 48 47 46 45 



44 



Figure IS. — Ice Conditions, 9 12 June 1967. 



26 



