Figure 4.--The two l:16-slope fishways in the experimental flume. 



Table 2. — Comparison of steelhead passage time in 

 identical l:16-slope fishways, 

 July 24-27, 1957. 



1:8 Slope, 1.0-foot Rise 



This test fishway (figure 5) had a 1:8 

 slope with a 1.0-foot rise between pools. 

 It is listed as Type 2 in table 1. The control 

 fishway was Type 1. 



Figure 5.--The l:8-slope fishway with a 1.0-foot rise between 

 pools. 



