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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> <br /> <br />Il-7 <br /> <br />Figure 11-4 <br /> <br />Looking downstream at <br />East Harvard Gulch drop. <br />Note aggradation and for- <br />mation of a trickle/low <br />flow channel. <br /> <br />Figure 11-5 <br /> <br />Looking upstream at East <br />Harvard Gulch. Grouted <br />rock stilling basin helps to <br />contain trickle flows. <br /> <br />Figure 11-6 <br /> <br />Example of a small drop <br />using a baffle apron. <br />Baffles have been moved <br />to the horizontal channel <br />below. (Tulsa, Oklahoma) <br />