46 



45 



43 



42 



48 47 46 45 44 



.FLIGHT 2 

 |25FEB67i 



LEGEND 

 A BERG 

 Q GROWl|.ER 

 ^■FLIGH 



TRACK 



\ 



-J 



52 



50 



49 



-48 



45 



44 



43 



— '42 

 44 



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



figure 2. — Ice Conditions, 25 and 26 February 1967. 



13 



