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<br />. <br /> <br />FIGURE 1 <br />TYPICAL OVERFLOW CHANNEL CROSS-SECTION <br /> <br /> 3.5 FEET <br />1 1 <br />. 2 2 <br />I, II <br /> 4 FEET <br /> <br /> <br />4" Thick <br />Concrete (Min.) <br /> <br /> <br /> <br />Channel Slope = 0.01 ftlft <br />Channel Capacity = 400 cfs <br />Freeboard = 0.5 feet (Min.) <br /> <br />. <br /> <br />West Willow Creek above Creede, Colorado <br /> <br />5 <br />