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<br /> <br />starting at an elevation of 6,000 feet near the <br />headwaters to 4,700 feet at the mouth. The <br />separate ephemeral (whieh often TIm dry in <br />the summer) streams, Wild Horse and Dry <br />Creek, originate in the foothills of the frontal <br />range northwest of Pueblo, <br /> <br />Dry Creek is a north-bank tributary which <br />flows south just within Pueblo's eastern <br />boundary, This watershed spans a distanee of <br />5.5 miles from the headwaters to the mouth. <br />Its drainage area eovers only 5.4 square <br />miles, Dry Creek is an ephemeral stream, <br />which originates at the southern extremity of <br />Baculite Mesa in the high plains northeast of <br />Pueblo. It flows in a southerly direction to <br />discharge into the Arkansas River just east <br />of the eity limits, <br /> <br />Goodnight Arroyo is an ephemeral south- <br />bank tributary of the Arkansas River that <br />originates on the high plains southwest of <br />Pueblo, The arroyo is 4.9 miles long, and its <br />longest branch originates just over one mile <br />south of State Highway 78 and then <br />meanders in a northerly direetion, Just <br />outside Pueblo's western boundary the arroyo <br />passes under Bessemer Ditch and State <br />Highway 96 (Thatcher Avenue) and turns <br />west toward the Arkansas River. The <br />drainage area eovers 5,9 square miles, and <br />elevations range from 5,330 feet at the <br />headwaters to 4,708 feet at the Arkansas <br />River eonfluenee, <br /> <br />The Hueifano River covers a drainage area <br />of 1,876 square miles, stretching 90 miles in <br />length, The headwaters begin at an elevation <br />of about 10,500 feet, where the stream is <br />perennial, Then the river flows north and <br />east through the foothills and onto the plains, <br /> <br />Pueblo Flood Hazard Miti"ation Pion <br /> <br />Here irrigation diversions dry out the stream <br />in the summer by the time it reaches the <br />Arkansas River near Boone, <br /> <br />Salt Creek is a right bank tributary with the <br />eonfluenee loeated in the southeast eorner of <br />the City of Pueblo. The stream's headwaters <br />originate in the foothills about eight miles <br />south and ten miles west of the eity, The <br />Salt Creek watershed contains 37,2 square <br />miles, which is minor in regard to size but it <br />is important in that it flows through the <br />residential and major industrial areas of <br />southeast Pueblo, The stream stretches about <br />18 miles long, the upper 5 miles of which <br />are considered to be intermittent, At its <br />eonfluence with the St. Charles River Flood <br />Ditch it reeeives a maximum flow of <br />approximately 635 cubic feet per seeond <br />(cfs- see box below) diverted from the St. <br />Charles River. This water provides a base <br />flow in Salt Creek during the spring and <br />summer months, A few miles downstream <br />from its junction with the Flood Ditch, Salt <br />Creek flows into a series of reservoirs (water <br />from the ditch and creek is stored here and <br />used by CF & I in their industrial processes), <br />through CF & I, and fmally into the <br />Arkansas, Almost all of the Salt Creek <br />channel is located on land owned by CF &1. <br /> <br />1J'fiow~'?m~chiSJ cubicfootpersecond <br />IC s . '..," : , ,,' " <br />'-:-,,:".:'-'-:--, ,...--.-..:.-:...:...::.....-....-:;.-:-...,.::.,....:-'" ',:'-',:.- <br />.c-,:;,:-.:'::,_:;,,:;.-.. .",.... <br />. -"<:C- -':-,;-;"":,,,,- .," <br />J cfs = 448.8gldlons per nJinute <br /> <br />The A rkansas River originates near Climax, <br />Colorado at an elevation of about 12,000 <br />feet. It flows in a southeasterly direction in <br />the areas of Leadville, Salida, Canon City <br /> <br />5 <br />