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<br />TABLE OF CONTENTS <br />Page No• <br />METHODOLOGY AND ASSUMPTIONS ................... 1 <br />Hydrology ...................................... 1 <br />Sedimentology ................................... 7 <br />Hydraulic Calculations ............................ 13 <br />Permanent Ditches ............................ 13 <br />Ponds ..................................... 14 <br />Culverts .................................... 17 <br />Riprapped Road Crossings . ~ .................... 18 <br />SMALL AREA EXEMPTIONS ......................... 21 <br />REFERENCES ................................... 22 <br />LIST OF TABLES <br />Ta le N Title Paoe No. <br />1 Sediment Yield Comparison Summary ......... 8 <br />2 Permanent Culvert Design Summary ......... 19 <br />LIST OF FIGURES <br />Fgure No. Title Pa a No. <br />1 Permanent Ditch Design Summary ........... 15 <br />2 U.S. Bureau of Public Roads Nomograph ...... 20 <br />LIST OF APPENDICES <br />f Aooendix No. Title <br />A SEDCAD+ Computer Printouts <br />