10 



2 ft/sec 



-20 

 -30 

 -40 

 -50 

 -60 



SECTION 2 



I I I I I I I — 



92 188 284 380 476 572 668 

 Stationing across Channel 



764 



1 1 r 



62 143 224 305 386 

 Stationing across Channel 



467 548 629 



B20 



