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<br />(Reference 14), The hydrologic and hydraulic data presented in those <br />reports were utilized in this study, <br /> <br />The UDFCD published a Flood Hazard Area Delineation report for Goldsmith <br />Gulch and its tributaries in 1976. (Reference 15). Hydrologic and <br />hydraulic data in that report for Goldsmith Gulch and Southmoor Park <br />Tributary were used in this study. However, 100- and 500-year boundaries <br />in some portions of Goldsmith Gulch and Southmoor Park Tributary have <br />been revised in this study to reflect recent channel improvements. <br /> <br />The UDFCD published a 1979 Flood Hazard Area Delineation report for <br />Sanderson Gulch (Reference 17). Hydrologic and hydraulic data from that <br />report were utilized in this study. <br /> <br />~ <br /> <br />The UDFCD published a 1972 Major Drainageway Planning report for <br />Sanderson and Weir Gulches (Reference 41). Hydrologic data from that <br />report were used in this study for Sanderson Gulch and Weir Gulch. <br />Flood boundaries and water-supply profiles presented in this study <br />reflect recent channel improvements and, therefore, will not agree with <br />the previously published report, Peak discharge data for Wei r Gulch <br />downstream of Barnum Lake were revised in this study due to channel <br />improvements and the construction of an additional culvert under West <br />6th Avenue (U.S. Highway 6), <br /> <br />~ <br /> <br />The UDFCD published a Flood Hazard Area Delineation report for the Weir <br />Gulch tributaries in 1977 (Reference 20). Hydrologic and hydraulic <br />information for First Avenue Tributary and Dakota Avenue Tributary was <br />included for use in this study, Due to a review of the hydraulic data <br />and normal-depth calculations, flooding along Dakota Avenue Tributary <br />has been identified as shallow flooding with average depths of 1.0 foot <br />in this study, <br /> <br />The UDFCD published a Flood Hazard Area Delineation report for Sand <br />Creek (Reference 42), Hydrologic and hydraulic data from that report <br />were used in the analysis of Sand Creek for this study, <br /> <br />In 1977, the UDFCD published a Major Drainageway Planning report for <br />First Creek and First Creek Tributary (Reference 67). The hydrologic <br />and hydraulic analyses in that report were based on fully developed <br />basin conditions, The lOO-year floodplain boundaries presented in the <br />report have been used in this study, but have been designated as <br />approximate because basin conditions have not reached full development. <br /> <br />." <br /> <br />The UDFCD published Flood Hazard Delineation reports for Sloans Lake <br />Basin (Reference 68) and Marston Lake North Drainage Basin <br />(Reference 69). The 100-year drainage basin boundaries presented in <br />these reports were used in this study as approximate studies for Sloans <br />Lake Basin and Marston Lake North Drainage Basin. <br /> <br />A Flood Hazard Boundary Map has been published for the City and County <br />of Denver (Reference 81). Floodplain boundaries determined for this <br />study supersede the Flood Hazard Boundary Map. <br /> <br />56 <br />