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<br />I <br />I <br />I <br />! I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I, <br />I <br />I <br />I <br />I <br />I <br />I <br />il <br /> <br />Section <br />Number <br /> <br />I <br /> <br />II <br /> <br />UNA RESERVOIR FEASIBTI.ITY STUDY <br /> <br />TABLE OF CONTENTS <br /> <br />VOLUME I <br /> <br />Section and Subsection Title <br /> <br />Letter of Transmittal <br />Certificate of Engineer <br />Executive Summary <br />Summary of Project Principal Data <br />General Outline of Feasibility Report <br />Table of Contents <br />List of Tables <br />List of Figures <br /> <br />INTRODUCTION <br /> <br />A. Authorization <br />B. Background <br />C. Scope of Services <br /> <br />SITE CONDITIONS AND HYDROLOGY <br /> <br />A. Location of The Project <br />B. Topography <br />C. Geology and Surveys <br />D. Land Ownership and Land Use <br />E. Hydrology and Climatology <br />1. Drainage Area Description <br />2. Climatology <br />3. Average Runoff <br />4. Nature and Frequency of Flooding <br />5. Reservoir Evaporation <br />F. Probable Maximum Flood <br />1. Introduction <br />2. Una Reservoir Hydrologic Conditions <br />Applicable to PMF Estimate <br />3. Tri-County Project PMF Analysis <br />4. Design Flood Estimates for Other <br />Gunnison River Projects <br />5. PMF Calculations for Una Reservoir <br />G. Reservoir Sedimentation and Operation During Floods <br />1. Sediment Yield <br />2. Reservoir Trap Efficiency and <br />Sediment Deposition <br />H. Flooding and Sediment Transport Near Parachute <br />1. General <br />2. Water Surface Profiles <br />3. Sediment Transport Capacity <br />4. Proposed Reservoir Operation <br /> <br />Page <br />Number <br /> <br />I-1 <br />I-l <br />I-2 <br /> <br />II-1 <br />II-1 <br />II-2 <br />II-2 <br />II-3 <br />II-3 <br />II-4 <br />II-4 <br />II-8 <br />II-8 <br />II-l1 <br />II-ll <br /> <br />II-13 <br />II-13 <br /> <br />II-14 <br />II-14 <br />II-15 <br />II-15 <br /> <br />II-16 <br />II-18 <br />II-18 <br />II-18 <br />II-21 <br />II-23 <br />