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<br />DI.:SC;UFIIOll 01' CHERRY CREj;;K (CONT 'D) <br /> <br />Numerous other storms have visited the Cherl'y Creek basin <br /> <br /> <br />and have created floods of najor and damaging extent in upstream areas. <br /> <br /> <br />but these have passed thru Denver without causing material damage to pro- <br /> <br /> <br />perty. <br /> <br />Reference to the map of the Cherry Creek basin, hereto <br /> <br /> <br />attached, will assist in locating some of the storms and floods herein <br /> <br /> <br />mentioned. <br /> <br />Total drain~ge area of Cherry Creek above its mouth is <br /> <br /> <br />415 square-miles. Drainage area tributary to Cherry Creek, along the ten- <br /> <br /> <br />mile stretch behveen its mo~th and the Sullivan Barrier, is 29 square <br /> <br /> <br />miles. In this stretch there is but one natural tributary channel of <br /> <br /> <br />consequence, namel:;, Goldsmi th Gulch, which drains perhaps nine square <br /> <br /> <br />miles. Above the Sullivan Barrier the total drainage area is 366 square <br /> <br /> <br />miles. Beoause of differing topographic and other conditions, this up- <br /> <br /> <br />stream catchment area requires consideration and segregation into two <br /> <br /> <br />parts. <br /> <br />Along the 22 mile stretoh above the SUllivan Barrier to <br />the site of the Castlewood Dam. the tributary draina~e area totals 218 <br />square miles. Principal tributaries alon~ this stretch, in their rela- <br /> <br /> <br />tive upstream order, on the east side, are South Cherry Creek. Sulphur <br /> <br /> <br />Gulch, Bayou Guloh, and Russelville Gulch) and on the west side, are <br /> <br /> <br />Cottonwood Gulch (Dry Creele), Happy Canyon, Newlin Guloh, and Lemon Gulch. <br /> <br /> <br />Above the site of Castlewood Dam the drainage area is 168 <br /> <br /> <br />square miles. Principal tributaries draining this area are Lake Gulch, <br /> <br /> <br />Antelope Creek, 1jest Cherry Creek and East Cherry Creek. This upstream <br /> <br /> <br />area, being steeper, is the source of many floods, and yet the factor of <br /> <br />distance from Denver is itself an important measure of protection to the <br /> <br />..3- <br />