FIGURE SECTION 



C-1 A-1 



C-2 A-2 



C-3 B-1 



C-4 B-2 



C-5 C-1 



C-6 C-2 



SHALLOW 



DEEP 



SHALLOW 



DEEP 



SHALLOW 



DEEP 



.05 .10 .15 .20 .25 .30 .35 



.05 .10 .15 .20 .25 .30 .35 

 FREQUENCY, CPM 



.05 .10 .15 .20 .25 .30 .35 



47 



