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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866.3567 <br />FAX: (303) 832.8106 <br />Apti16, 2005 <br />Ms. Sandra White <br />RAG-Empire Corporation/BTU-Empire <br />29515 Routt County Road No. 27 <br />Oak Creek, CO 80467 <br />Re: Eagle Mine Complex, C-1981-044, Fust Quarter 2005 Sediment Pond Inspection Report <br />Deaz Ms. White: <br />COLORADO <br />DIVISION O F <br />MINERALS <br />GEOLOGY <br />0.ECLANATION•NIN ING <br />SAFETY•SCIENCE <br />8111 OWenS <br />Governor <br />Russell George <br />Executive Dimctor <br />Ronald W. Catuny <br />Division Director <br />Natural Resource Trustee <br />First quarter 2005 sediment pond inspection reports were received by DMG on April 1, 2005. First quarter 2005 <br />sediment pond inspections were conducted on Mazch 9, 2005. Most of the ponds were dry with the exception of <br />9A-Pl, 9-P2, 9-P3, HR-PIA, SA-P1, 5-P5, 5-P6, and 5-P7. Ponds holding water were all well below the <br />dischazge level. None of the ponds were reportedly discharging at the time of the inspection. <br />Several maintenance items were identified. Pond 5-P7 has muskrat burrows in the embankment that have <br />resulted in seepage. RAG-EC/BTU-Empire has tamed off the mine dewateting pump to allow the ponds to dry <br />Repair to the embankment is scheduled for this spring. Tamarisk have also been identified neaz pond. Weed <br />eradication is planned. Pond 9-P3 has badger holes on the embankment as well. The operator indicates that <br />these holes will be repaired as well. Knapweed was identified in the SH-1 and SH-2 pond azeas. The operator <br />has scheduled weed spraying on this area too. <br />Copies of the quarterly reports need to be maintained at the mine office and at the Division's office as per Rule <br />4.05.9(17). Please submit 2005 Sediment Pond Inspection reports within 2 weeks of inspection. <br />Sinc ly, j <br />\~ <br />net H. B ns <br />Envixonmen al on Specialist <br />C:/jhb/C1981044/reports/2005/lrt Q Sed Pond Reports.doc <br />Cc: Dan Hernandez, DMG <br />Office of Office of Colorado <br />Mined land Reclamation Active and Inactive Mines Geological Survey <br />