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e Table 3 Detailed Floodplain Information within Unincorporated Portions of Arapahoe County South Platte River Bear Creek Big Dry Creek Big Dry Creek Tributary A Blackmer Gulch Box Elder Creek Cherry Creek Coal Creek Comanche Creek Little Comanche Creek Coon Creek Cottonwood Creek Dutch Creek First Creek Granby Ditch Goldsmith Gulch . ;and West Tributary Goldsmith Gulch Greenwood Gulch Happy Canyon Creek Lee Gulch Little Creek Little Dry Creek Lone Tree Creek Murphy Creek Piney Creek Prentice Gulch Quincy Gulch Sable Ditch Sable Ditch Overflow Sand Creek Slaughterhouse Gulch South Tributary to Slaughterhouse Gulch SlCD 6100 SlCD 6200 Spring Creek West Toll Gate Creek Trib, Unnamed Creek West Bijou Creek Westerly Creek Wi.llow Creek WHEREAS, said report was revised from the previous Flood Insurance Study to show modifications to the flooding and base flood elevations along Little Dry Creek that resulted from revised hydrology for the entire basin and flood control improvements from the South Platte River upstream to Clarkson Street, as approved by Conditional Letters of Map Revision issued on February 19, 1987 and August 21,1987; and WHEREAS, the communities affected by the reVISIOns to Little Dry Creek include unincorporated Arapahoe County, the City of Cherry Hills Village, the City of Englewood, and the City of Greenwood Village; and WHEREAS, the reach of Big Dry Creek from approximately 1,360 feet downstream of Colorado Boulevard to approximately 2,440 feet upstream of Colorado Boulevard has been revised to reflect the change in base flood elevations and floodway and floodplain delineations due to the construction of the Colorado Boulevard bridge and channel improvements; and WHEREAS, a reach of Cottonwood Creek from approximately 900 feet upstream of Inverness Drive East to County Line Road has been revised based on bette: topographic data and a revised hydraulic analysis; and . 3