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Table of Contents <br />Introduction.............................................................................................................................. I <br />ProposedDecision....................................................................................................................2 <br />TheReview Process...........................................................................................................2 <br />Description ofthe Environment........................................................................................... 5 <br />Findings ofthe Colorado Division of Minerals and Geology......................................................15 <br />SectionA - Rule 2.07.6.....................................................................................................15 <br />SectionB - Rule 4............................................................................................................18 <br />I. <br />Roads.........................................................................................................18 <br />II. <br />Support Facilities.........................................................................................20 <br />III. <br />Hydrologic Balance.....................................................................................22 <br />IV. <br />Topsoil.......................................................................................................28 <br />V. <br />Sealing of Drilled Holes and Underground Openings......................................28 <br />VI. <br />Use of Explosives........................................................................................28 <br />VII. <br />Disposal of Excess Spoil..............................................................................29 <br />VIII. <br />Coal Mine Waste Banks...............................................................................29 <br />IX. <br />Coal Mine Waste.........................................................................................30 <br />X. <br />Backfilling and Grading............................................................................... <br />31 <br />XI. <br />Revegetation...............................................................................................32 <br />XII. <br />Post -mining Land Use..................................................................................34 <br />XIII. <br />Protection of Fish, Wildlife and Related Environmental Values.......................34 <br />XIV. <br />Protection of Underground Mining...............................................................36 <br />XV. <br />Subsidence Control......................................................................................36 <br />XVI. <br />Concurrent Surface and Underground Mining................................................39 <br />XVII. <br />Operations on Alluvial Valley Floors............................................................39 <br />XVIII. <br />Operations on Prime Farmland.....................................................................43 <br />XIX. <br />Mountaintop Removal.................................................................................43 <br />XX. <br />Operations on Steep Slopes..........................................................................43 <br />XXI. <br />In Situ Processing........................................................................................44 <br />i <br />