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<br />I <br />I <br />I <br />I <br />I <br /> <br />TABLE OF CONTENTS <br /> <br />TABLE OF CONTENTS (continued) <br /> <br />Page <br /> <br />EXECUTIVE SUMMARY <br /> <br />VI. SELECTION OF ALTERNATIVES. <br /> <br />38 <br /> <br />LIST OF TABLES. <br /> <br />LIST OF FIGURES <br /> <br />Costs of Alternatives. . <br />Benefits of Alternatives <br />Recommended Alternative. <br /> <br />38 <br />38 <br />39 <br /> <br />I <br />I <br />I <br /> <br />I. INTRODUCTION <br /> <br />VII. PRELIMINARY DESIGN OF RECOMMENDED ALTERNATIVE. <br /> <br />55 <br /> <br />Authority. . <br />Purpose and Scope of Work. <br />Available Data and Previous Reports. <br />Mapping. . . . . <br />Acknowledgements . <br /> <br />Future Study Requirements. <br />Project Costs. <br /> <br />57 <br />57 <br /> <br />VIII. REFERENCES.. <br /> <br />70 <br /> <br />II. STUDY AREA DESCRIPTION <br /> <br />I <br /> <br />Drainage Basin Characteristics <br />Study Area . . . <br />Flooding History <br />Hydrology. . . . <br /> <br />I <br />I <br /> <br />III. HYDRAULIC ANALYSIS <br /> <br />I <br />I <br /> <br />Floodplain Analysis. <br />Floodway Analysis. <br />Bridge Analysis. <br />Flow Splits. . . . <br /> <br />IV. EROSION AND SEDIMENTATION ANALYSIS <br /> <br />Qualitative Geomorphic Analysis. . <br />Bridge Scour . . . . . . . . . . . <br />Controlling Erosion and Sedimentation Problems <br /> <br />I <br /> <br />V. DEVELOPMENT OF FLOODWAY IMPROVEMENT ALTERNATIVES <br /> <br />I <br /> <br />Maintain the Existing Condition. . . . . <br />Improved Flood Control Levees. . . . . . <br />Improved River Crossings at 8th Street, <br />5th Street, and 6th Avenue <br />Trapezoidal Channel. . . . . . <br />Combination Channel. . . . . . <br />Dredging to Increase Flow Area <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />vi <br /> <br />vii <br /> <br />I <br />