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STATE OF COLORADO <br />DIVISION OE MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 8663567 <br />FAX: (303) 832-8106 <br />October 28, 2005 <br />Jerry M. Nettleton <br />Environmental Coordinator <br />Twentymile Coal Company <br />29515 Routt County Road #27 <br />Oak Creek, CO 80467 <br />Re: Foidel Creek Mine, Permit C-1982-056 <br />Impoundment Inspections, 3rd Quarter 2005 <br />Dear Mr. Nettleton: <br />COLORADO <br />DIVISION O F <br />MINERALS <br />GEOLOGY <br />0.ECLAMATION•MININO <br />EAFETT•SCIENCE <br />Bill Owens <br />Governor <br />Russell George <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />The Division of Minerals and Geology (Division) has completed a review of the Pond <br />Inspection Report submitted under a Twentymile Coal Company letter of October 4, <br />2005. <br />In addition to those sediment ponds of this report, other structures are considered as <br />impoundments and need to be inspected under the provisions of Rule 4.05.9(17). Your 3rd <br />quarter submission included reports for the Disposal Area I pit impoundment (Area #1 <br />Pit), the Wash Plant sump (thickner underflow holding pond), and the Fish Creek Tipple <br />evaporative pond (FCT Waste Water Pond). Yet to be included are inspection reports for <br />the main facility sewage lagoons and the 18-Right cuttings impoundment. <br />Please submit these additional inspection reports by 28 November 2005. <br />Please call me if you have any questions. <br />Yours truly, <br />ByrorfG. Walker <br />Environmental Protection Specialist <br />files: electronic: C-1982-056, Hydrology, Impoundment Inspection <br />C:\bgw\My Documents\Foidel Creek\Inspections\impoundments\Pnd Insp Rpt, 3 qtr O5, letter.doc <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />