Wolff, Tatro, and Megehee 



MEASURED PROFILE, 120 DEPTHS 



9^^ <i# FhAVF STD 054 DEPTHS 



0---Q STD CUMATOLOGICAL, 020 DEPTHS 



1485 86 87 88 89 

 I I 1 I 



500 



600 



SOUND VELOaTY 

 METERS PER SECOND 



700 



800 



900 



DEPTH 



IN 

 METERS L 



1000 



Figure 4 



201 



