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Table of Contents <br />Acronyms and Abbreviations ........................................................................................................ ........................... 2 <br />Introduction .......................................................................................................................................... ........................... 3 <br />Proposed Decision ............................................................................................................................. ........................... 4 <br />Summarv ............................................................................................................................................... ........................... 4 <br />History of the Review Process ....................................................................................... ........................... 4 <br />Description of the Environment .................................................................................... ........................... 5 <br />Description of the Operation and Reclamation Plans ........................................... ........................... 8 <br />Findings of the Colorado Division of Minerals and Geology ........................................... ......................... 10 <br />SECTION A .......................................................................................................................... .........................11 <br />SECTION B .......................................................................................................................... ......................... 13 <br />I. Roads .................................................................................................................................................. .........................13 <br />II. Hydrologic Balance ..................................................................................................................... .........................14 <br />III. Sealing of Drilled Holes and Underground Openings .................................................. ......................... 30 <br />IV. Coal Mine Waste Banks .......................................................................................................... .........................30 <br />V. Revegetation .................................................................................................................................. .........................31 <br />VI. Post-Mining Land Use ............................................................................................................. ......................... 33 <br />VII. Protection of Fish, Wildlife, and Related Environmental Values .......................... .........................33 <br />VIII. Operations on Alluvial Valley Floors .............................................................................. ......................... 33 <br />IX. Operations on Prime Farmland ............................................................................................. ......................... 36 <br />Acronyms and Abbreviations <br />CDPS Colorado Dischazge Permit System <br />Division Division of Minerals and Geology <br />downstream When used in conjunction with water quality monitoring, that location <br />downstream of mining activities where samples aze representative of the entire <br />stream flow <br />F. Coli Fecal Coliforms <br />GCR Garfield County Road <br />loadout site The azea, including a haul road, where coal was dumped, stored, and transferred to <br />a conveyor across the Roaring Fork River to a rail loadout <br />Mine The North Thompson Creek Mines <br />mine site An azea of underground mining and former surface support facilities. <br />PAP Permit Application Package <br />PCR Pitkin County Road <br />Permit Permit C-1981-025 <br />receiving stream standazds Classification standazds have been assigned by the Colorado Water <br />Quality Control Commission to North Thompson Creek. The classification of <br />North Thompson Creek is Aquatic Life Cold 1, Recreation 2, Water Supply and <br />Agriculture. Numeric and classification standazds have been established by the <br />CDPHE for the main stem of the North Thompson Creek and its tributaries. <br />Rule A rule from the Regulations of the Colorado Mined Land Reclamation Boazd for <br />Coal Mining <br />