56 



52 



46 



45 



43 



42 



55 54 



T 



b. A 



53 



52 



51 



50 



49 48 



47 



46 



45 



44 



LEGEND 

 A BERG 

 Q GROWl^ER 

 ^•FLIGH 



N' 



TRACK 



:^/a ^^ 



A FLIGHT ?Sn 

 A 24 MAY 6' 

 A 



\ 



-52 



50 



---49 



r- 



_-UL 



iFLIGHT 3 3 

 26 MAY 6 7, 



Q Q 



Q 



r 



_t 



48 



-46 



-45 



-44 



- 43 



■142 



56 



55 



54 



53 



52 



51 



50 



49 



48 



47 



46 



45 



Figure 13. — Ice Conditions, 24-26 May 1967. 



24 



