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<br />Colorado Water Conservation Board <br />~2J State C~ntennlal Bulldln~ <br />1313 Shertll8.n Street <br />Denver, CO 80203 <br /> <br />the Sheop Dra~ baaln, the ~ean snm'al pr~cipltstion Is about 12 inches. <br />Telllperaturesrangefro,""",,,anofabout24.FinJanuarytoaOleanof <br />about 73. F in July. The major 9011 types In the basin ,He of th~ <br />Olney-Kim-Ot"roor the Weld-Colby 5011 assoclnt:lons. Theaearegene_ <br />rally moderately sloplng...,d:lultlto<ooderately-co"rse terturedso:lls. <br />Vegetation is predominantly grasaland or irrigated cropland, ~Ith fe~ <br />trees. <br /> <br />Flood Plain Analysis <br /> <br />STUDY AREA DESCRIPTION <br /> <br />The Sheep Draw basin is crosaed by U.S. Highway 34, alternate Busl- <br />ness Route U.S. High~ay 34, and COlorado Highway 257. County roads are <br />located On most aectlon linea. The baain at present Is essentially <br />rural. However, urbani2stion ia beginning at a few locations on the <br />eastern edge of the basin. <br /> <br />She~p Draw, a rIght-bank tributary of the Cache 1a poudre River, <br />is located west of Greeley In Weld Cuunty. It begins about a mIles <br />west of Greeley and flows t\orthe"st~" I to its confluente wUh the <br />Gache la Pou.;re River just northwest o' Greeley. Tt>e hasin 18 about 2 <br />,.!les hi wtdth and "bout g RlUes long. 1h.. Sheep Draw drajnage ilr"a is <br />about 15.0 square ~tles. A ~p of the basin is shown on plate 2. <br /> <br />The basin topography h characterized by roll1nghllh and narr,,,", <br />~trea," .;;;lleys. E~e',.ltlons 1::. n,,, b.,a~n ra"&,, fro", allout SOSQ fe"t to <br />4690 feet above mean aea level. Sh"ep Draw slopes about 20 to SO feet <br />per mlle in the study resch. The Channel generally ranges fro~ about 1 <br />to 10 feet in depth and 30 to 150 feet In top ~ldth. Figures 1 through <br />12 on the following pvgcs ar.. photogrspha ,,111eh Uluatrate channel <br />eondHions In the study re.,ch. All sccneS are locnted along Sheep <br /> <br />Tbe reach studied extends fro", the Sheep Draw conf1u~nc" with the <br />Cache la Poudre River upstre"", to near Colorado Highway 257, " dIstance <br />of "bout 7 milea. Development On tht! floodplainwith1n this reach ill <br />relstively sparse. The most com~on form of Jevelop~nt is tbst associ- <br />ated ~ith farmsteads and an agTlcultural area. At present, the more <br />congeateddevclop"",nta"soClatedw1thurbanareashasnotte.achedinto <br />the Sheep Draw flood plaIn. However, sueb development is quIte closo <br />Ins"""""rcas. <br /> <br />Draw. <br /> <br />The eli"'"te 15 se:Jllarld. In general, "arm SU1JKll('rs and llIild to <br />cold winters prevs 11. Intense thunder~torms, "omet illes of cloudburst <br />{nten<Jty, tan ottur dl1rlng the "",."",,'r "",nth". A~ Greeley, .~,ijar~nt to <br /> <br />, <br /> <br />, <br />