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i1 <br /> <br />III IIIIIIIIIIIIIIII <br />sss <br /> STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmem of Natural Resources <br />1313 Sherman 51 ,Room 215 <br /> <br />Denver, Colorado 80?03 I~~~~ <br />Phone: 13031 866 3567 <br />FAX. 13031 832 8106 <br /> DEPAR"FMENT OF <br /> NATURAL <br />March 18, 1996 RESOURCES <br /> Roy Romer <br /> Governor <br />lames 5. Lochhead <br />Mr. Rick Mills e.ee~l~~e ovecior <br />Michael B. Long <br />Twentymile Coal Co. Drvislon Dnerlor <br />29587 Routt Co. Rd. # 27 <br />Oak Creek, CO. 80467 <br />J RE: TR-24, EMD Ventilation Facility and Limited L.ongwall Mining in 9 Right, Adequacy <br />Review, Foidel Creek Mine, #C-82-056 <br />Dear Mr. Mills: <br />The Division has completed a preliminary review of the technical revision application and <br />materials for TR-24 for the Foidel Creek Mine, permit #C-82-056. Our questions or <br />comments are as follows: , <br />1. With the onset of longwall mining, hydrologic consequences would be expected due <br />to subsidence. No hydrologic monitoring was proposed in TR-24. The Division <br />reviewed the plan for PR-03 and has determined that the following sites would be <br />appropriate to begin hydrologic monitoring as proposed in PR-03 under TR-24: <br />FBR-2E <br />FBR-2 <br />FO-1 <br />FO-4 <br />FBR-11B <br />93001 M <br />93003M <br />008-77-58 <br />USGS 900 <br />Please submit Table D, Hydrologic Monitoring Program, or similar table to reflect <br />the above monitoring. <br />2. Map 13A also was not submitted with TR-24. The Division reviewed Map 13A <br />