19 



18 



17- 



16- 



I- 

 ui 



E 15 



bJ 



a 

 o 



UJ 



»- 



13 



ll-L 



iO 



20 30 



FLOW (CFS) 



40 



50 



Figure 13. 



The relationship between wetted perimeter and flow for a 

 composite of two riffle cross- sections in Willow Creek. 



72 



