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<br /> <br /> <br /> 1 C1981-041 RN7 findings <br /> Table of Contents <br /> <br /> <br />Introduction ............................................................................................................................................ 2 <br />Proposed Decision ................................................................................................................................. 3 <br />Summary ................................................................................................................................................ 4 <br />The Review Process ....................................................................................................................... 9 <br />Description of the Environment ..................................................................................................... 9 <br />Description of the Operation and Reclamation Plans .................................................................. 14 <br />Findings of the Colorado Division of Minerals and Geology ............................................................ 19 <br />Section A - Rule 2.07.6 ................................................................................................................ 19 <br />Section B - Rule 4 ........................................................................................................................ 23 <br />I. Roads ..................................................................................................................... 23 <br />II. Support Facilities ................................................................................................... 24 <br />III. Hydrologic Balance ............................................................................................... 24 <br />IV. Topsoil ................................................................................................................... 39 <br />V. Sealing of Drilled Holes and Underground Openings .......................................... 42 <br />VI. Use of Explosives .................................................................................................. 43 <br />VII. Disposal of Excess Spoil ....................................................................................... 43 <br />VIII. Coal Mine Waste Banks ........................................................................................ 43 <br />IX. Coal Mine Waste ................................................................................................... 45 <br />X. Backfilling and Grading ........................................................................................ 45 <br />XI. Revegetation .......................................................................................................... 50 <br />XII. Post-mining Land Use ........................................................................................... 53 <br />XIII. Protection of Fish, Wildlife and Related Environmental Values ......................... 56 <br />XIV. Protection of Underground Mining ....................................................................... 58 <br />XV. Subsidence Control ............................................................................................... 58 <br />XVI. Concurrent Surface and Underground Mining ..................................................... 62 <br />XVII. Operations on Alluvial Valley Floors ................................................................... 62 <br />XVIII. Operations on Prime Farmland ............................................................................. 69 <br />XIX. Mountaintop Removal ........................................................................................... 70 <br />XX. Operations on Steep Slopes ................................................................................... 70 <br />XXI. In Situ Processing .................................................................................................. 71 <br /> <br />