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<br />dam to Gold5mith Gulch averages 4,000 c.f.s. loss of floodway caDac- <br />ityhas resulted from Indiscriminate tlllingof overbank and cha nnel <br />araas by landowners. Prior to construction of the Charry Creek Dam <br />the city of Denver bul It a concrete I ined Channel from Goldsmith <br />Gulch to the mouth. Although these works hdve deteriorated scmewhat, <br />Channel capacities ranga from 8,000 to 14,000 <:o.f.s. The <:ohannel <br />from Goldsmith Gulch to the mouth of Cherry CreeK is 80 to 90 feet <br />wide and 10 feet deep. <br />Sand Creek has been improved to soma extent between Peoria Street <br />andCh<:lmbersRoadbychonnel realignmentandenlargome'lt. From <br />BuckleyRO<ld to!iava'la Street the State Highwoy 72 emba'lkment provides <br />the flood pl<:lin boundary on the north5ideot Sand Creek. SandCreek <br />In the 5tudy re<:lch has an average slope of 27 feet per mile. Upstream <br />from Toll Gate Creek the Sal"ld Creekcnannel varies from 30 feet to 250 <br />feet wide <:lnd the capacity ranges trom 3,000 c.f.s. to 20,000 c.t.s. <br />From Toll Gate Creek to the South Piette River portions of the Sal"ld <br />Creek channel have been relooated and improved, Channel dimensions <br />vary and capacities range from 3,000 c.f.s. to 20,000 c.f.s. <br />The Toll Gate Creek chanrwl widt~s vary from 15 to 150 feet. <br />Portions ot the channel wore improved during InterSTate Highway con- <br />struction. Channal conditions in tho various STudy reaches are <br />illustrated bv photogruphs on the followinQ pa'los. <br /> <br />- <br /> <br />.. - __ _....0.. <br /> <br /> <br />Ylews of Cherry Creek <br />AbOVE): Looking downstream between Goldsmith Gulch and Univarsity <br />Bou lavard. (19~8) <br />Below: Looking south, aerial view of jun<:tlon with South Platta <br />River. South Platte flows tron right to left. (1969) <br /> <br /> <br />, <br /> <br />, <br />