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1. Introduction <br />This document is the decision (Decision) package prepared by the Colorado Division of <br />Reclamation, Mining and Safety (Division) for the revision of an existing permit for the <br />Colowyo Coal Mine (Mine). This document updates the findings documents prepared in 1982, <br />1987, 1989, 1992, 1997, 2002, 2007, 2009, and includes: 1) the proposed decision to the Permit <br />Revision Application; 2) a summary which includes a history of the revision Application, a <br />description of the environment affected by the operation, and a description of the mining and <br />reclamation plan; and 3) the written findings of compliance the Division has made as required by <br />the Colorado Surface Coal Mining Reclamation Act. Detailed information concerning the <br />findings of compliance can be found in the Regulations of the Colorado Mined Land <br />Reclamation Board for Coal Mining (Rules). <br />The Division received an application for a Permit Revision (PR -03) to conduct surface coal <br />mining and reclamation operations on January 26, 2009. The Colowyo Coal Company L.P. <br />(Colowyo) operates the Mine and submitted the revision application (Application). The Mine is <br />located on federal, state and private lands within Moffat and Rio Blanco Counties, Colorado. <br />Operations at the Mine were first recognized in 1976 under Colorado Mined Land Reclamation <br />Division ( CMLRD) Extraction and Development Permit 76 -15 C /A, and have continued without <br />cessation to this time. <br />1.1 Acronyms and Abbreviations <br />AOC approximate original contour <br />Applicant see Colowyo <br />Application The application for Permit Revision Number 3 to Permit C- 1981 -019 <br />unless otherwise specified. This packet consists of a revision application <br />form and supporting information, materials, documents, etc. pertaining to <br />Revision Number 3 of the Permit. Changes to the PAP are incorporated in <br />this revision Application. <br />ARR (year) <br />Annual Reclamation Report, year of report <br />AVS <br />Applicant /Violator System <br />BLM <br />Bureau of Reclamation <br />CCC <br />Colowyo Coal Company L.P. <br />CDOW <br />Colorado Division of Wildlife (renamed CPW) <br />CDPHE <br />Colorado Department of Public Health and Environment <br />CDPS <br />Colorado Discharge Permit System <br />CDWR <br />Colorado Division of Water Resources <br />CFR <br />Code of Federal Regulations <br />CHIA <br />Cumulative Hydrologic Impact Assessment <br />CHS <br />Colorado Historical Society <br />CMLRD <br />Colorado Mined Land Reclamation Division <br />CPW <br />Colorado Parks and Wildlife (formerly CDOW) <br />Colowyo Coal Mine C1981 -019 PR -03 4 April 10, 2013 <br />