13 



STATION 

 12 II 



10 



200 - 



300 



400 



f 500 

 600 



700 



800 



900 - 



1000 



10 



N. Miles 



8 



270 - 



275 



2775- 



FiouRE 20.— Vertical dlstrlhutldii of slRma-t, section B, August 1974 



30 



