240 



230- 



OC 220 



UJ 

 U 



E 210 



u 



a 



UJ 200 



190 



180- 



170 



200 400 600 800 1000 



FLOW (cfs) 



1200 



1400 



libo 



Figure 21, 



The relationship between wetted perimeter and flow for a 

 single riffle cross-section (CS #1) in reach #3 of the 

 Madison River. 



52 



