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November 15,2012 C-1981-019/Colowyo Coal Mine RDZ <br /> Other observations concerning the ponds: <br /> • Rail Loop pond should be cleaned. <br /> • Below Prospect Pond,the culvert under the highway should be cleaned. (This may need to be done by <br /> CDOT.) <br /> • Prospect Pond requires more cleaning. <br /> • The spring above East Taylor Pond was flowing. The water in this pond still has a green tint. <br /> The lower end of East Taylor Ditch was inspected; no erosion or other problems were seen,but a low flow channel <br /> has developed in the riprap and should be monitored. <br /> The lower end of Taylor Tributary Ditch was inspected, and no erosion or other problems were seen. <br /> Observed contour ditches in the West Pit and the East Pit looked good. New ditches have been built: in the East <br /> Pit a newly constructed contour ditch drains to East Pit Ditch above PD2, and in the West Pit a new one drains to <br /> Taylor Ditch. <br /> Culvert L was found to be clear and no erosion was seen at the downstream end. <br /> GENERAL MINE PLAN COMPLANCE: <br /> The mine was found to be in general compliance with the permit. <br /> RECLAMATION SUCCESS -Rule 4.15,Rule 3: <br /> Above the East Taylor Pond,the small slump appears stable,but minor rills have developed in the area. <br /> Near the confluence of Taylor Tributary Ditch and East Taylor Ditch a low spot has developed, and it should be <br /> monitored for erosion in the future. <br /> DOCUMENTS RECEIVED <br /> Third Quarter 2012 East Pit Stockpond Inspection Report <br /> Third Quarter 2012 Pond Inspection Report <br /> Fourth Quarter 2012 South Taylor Pit Fill Monitoring Report <br /> Fourth Quarter 2012 West Pit Fill Monitoring Report <br /> Number of Partial Inspection this Fiscal Year: 5 <br /> Number of Complete Inspections this Fiscal Year: 1 <br /> Page 3 of 8 <br />