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<br />PREFACE <br /> <br />This report inCludes infor~ation on the flood hazard areas along <br />P~wnee Creek between County Road 25 and U.S. Highway 6 in the <br />vicinity of Sterling and Atwood, Color~do. <br /> <br />Because of the potential for flood d~mages, detailed flood hazard <br />studies have been recognized as an essential item in guiding the <br />use of flood plains. The purpose of this report is to provide <br />adequate mapping and data for implementing flood plain management <br />programs. <br />The Pawnee Creek channel along the study reach is not adequate to <br />carry significant flood flows from the large contributing <br />drainage area. Out-Of-bank flooding occurs on a regular basis <br />with segments of this flow traveling overland in several <br />directions away from the main channel. The need to establish <br />these locations of overflow and determine their magnitude as well <br />as identify possible flood damage reduction opportunities <br />prompted this study. <br />Included in the report is information on past floods, the <br />potential for future floods, flooded area maps, water surface <br />profiles, selected cross sections, peak discharge data, and <br />recommendations for reducing potential flood damages. <br />The Soil Conservation service conducted the technical studies and <br />prepared the report. These services were carried out in <br />accordance with the Plan of work of February 1990. <br />The assistance and cooperation provided by the colorado Water <br />Conservation Board, Legan County, and the Town of Sterling are <br />appreciated and gratefully acknowledged. <br /> <br />The field survey, hydrologic, hydraulic, and other pertinent data <br />and computations are en file with the U.S. Department of <br />Agriculture,' Seil Conservation Service, 655 Parfet Street, <br />Lakewood, Colorado 80215-5517, telephone (03) 236-2900. <br />Additional copies of this report may be obtained from the Soil <br />Conservation Service. <br />