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S <br />III IIIIIIIIIIIIIIII <br />sss <br />~ Twentymile Coal Company 29515 Routt County Road q27 <br />Oak Creek, CO 80487 <br />Phone (303)879-3800 <br />November 10, 1994 <br />RECEIVED <br />NOV 15 1994 <br />Mr. Kent Gorham <br />Environmental Protection Specialist DivisionotMinerals&Geoiogy <br />Office of Mined Land Reclamation <br />Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, CO 80302 <br />RE: Installation of Permanent Areators in Pond A. Minor Revision <br />94-81: Permit C-81-071 <br />Dear Mr. Gorham: <br />Enclosed please find the revised pages and materials pertaining to <br />the referenced Minor Revision request. The revision involves <br />modification of permit pages to reflect the permanent installation <br />of three areators in Pond A. <br />The aerators will be installed in Pond A to aid in preventing the <br />pond from becoming anaerobic during the winter months when ice <br />cover is present on the pond. Power and controls for the aerators <br />will be placed in the pumphouse that is being constructed at Pond <br />A under MR94-110 of Permit C-82-056 to supply water to TCC~s new <br />preparation plant. <br />Should you have any questions, <br />convenience. <br />Best regards, <br />~~~~ <br />Ashley House <br />Environmental Specialist <br />please contact me at your <br />attachments <br />cc: OSM (2) <br />BLM (2) <br />