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Contents <br />(continued) <br />Section 6 Sunday Mine <br />6.1 Existing Drainage Conditions .............................................................. 6-1 <br />6.2 Drainage Plan ......................................................................................... 6-1 <br />6.3 Peak Discharge Estimate ....................................................................... 6-1 <br />6.4 Surface Water Control Structure Design ............................................ 6-2 <br />6.4.1 Channel Design ....................................................................... 6-2 <br />6.4.2 Berm Design ............................................................................ 6-3 <br />6.5 Conclusions and Recommendations ................................................... 6-4 <br />Section 7 References <br />Appendices <br />Appendix A USGS Regional Flood-Frequency Equations for Colorado <br />Appendix B Design Calculations <br />Appendix C Site Visit Photographs <br />Exhibits <br />Exhibit A-1 Topaz Mine Surface Facility Area Drainage Plan Exhibit <br />Exhibit A-2 Topaz Mine Drainage Details <br />Exhibit B-1 West Sunday Mine Surface Facility Area Drainage Plan <br />Exhibit <br />Exhibit B-2 West Sunday Mine Drainage Details <br />Exhibit C-1 St. Jude Mine Surface Facility Area Drainage Plan Exhibit <br />Exhibit C-2 St. Jude Mine Drainage Details <br />Exhibit D-1 Carnation Mine Surface Facility Area Drainage Plan Exhibit <br />Exhibit D-2 Carnation Mine Drainage Details <br />Exhibit E-1 Sunday Mine Surface Facility Area Drainage Plan Exhibit <br />Exhibit E-2 Sunday Mine Drainage Details <br /> <br />ii <br />0164986 - Denison\Task Order 1 - Sunday Mines Drainage Study\Reporffinal ReportlFlnal Sunday Mines Drainage Report_052208.doe