Bull. U. S. B. F., 1929. (Doc. 1063.) 
Figure 4. — Turbulent tailrace west of the power house; the outlets from the turbines are beneath the 
surface on the right 
Figure 5.— Lock being filled through a series of culverts with openings into the bottom of the lock. The valves have 
just been opened, so that the locations of only about 30 of these 3-foot openings appear in the illustration 
34 
