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Colowyo Coal Company <br />2008 Annual Reclamation and Hydrology Report <br />• developed during 2008. The West Pit Fill was inspected quarterly for any evidence of <br />surficial slope failure on the face of the fill and none was found. A quarterly review <br />of the survey monuments on the fill noted no significant changes in their positions, <br />suggesting that the fill continues to be stable. <br />Section 16: Under Technical Revision 64 monitoring requirements for Section 16 Fill <br />were relinquished and monitoring was discontinued during the 3rd quarter of 2006. <br />East Taylor: The East Taylor Fill was inspected quarterly for any evidence of surficial <br />slope failure on the face of the fill and under drain integrity. No significant concerns <br />were found. The fill is still under construction and will continue to be monitored <br />quarterly for stability. <br />West Taylor: The West Taylor Fill has not been started yet and no quarterly <br />reporting is required at this time. Colowyo will add it to the monitoring plan as <br />construction commences. <br />• <br />• <br />Page 7-2