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A <br /> <br /> <br />f <br />h <br />3 <br />0 <br />c <br />DRAWING 4 <br />F,av+ <br />a <br />~~ <br /> <br />Figure 14.-Construction plans <br />for a single-fence rock <br />check dam. <br />A, Section of the dam <br />parallel to the center- <br />line of the gully. <br />B, Section of the dam at <br />the cross section of the <br />gully. a =original gully <br />bottom; b = original <br />gully cross section; c <br />= spillway; d =crest <br />of freeboard; e = exca- <br />vation for key; f = ex- <br />b cavation for apron; g = <br />end sill; h = steel <br />fencepost; k = guys; <br />j = rebar, 13 mm in <br />diameter. <br />