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cam coniwny Seneca Coal Company <br />May 26, 2009 <br />Daniel Mathews <br />Division of Reclamation, Mining and Safety <br />101 South 3`d, Suite 301 RECEIVED <br />Grand Junction, CO 81501 <br />MAY 2 7 2009 <br />RE: Seneca II-W Mine (Permit C-1982-057) reclamation, <br />M' ing and Safety, <br />Technical Revision No. 62 - Response to Mid-Term Ac?'equacy Review (2 Round) <br />Mr. Mathews, <br />Seneca Coal Company (SCC) has reviewed your Mid-term review of SCC's 2"d round responses (dated <br />April 30, 2009) and has developed the following responses to your comments. <br />3a. Please provide amended narrative and data reference addressing water quality suitability for the spoil ,spring flow <br />that would be used to replace the mined out adjudicated springs on the Friederich pmpenly (this information it to. be <br />submitted before the Division will issue a proposed decision for T R-62). <br />Response: <br />Tab 16, page 11 has been revised to address water quality suitability for the spoil spring flow. <br />5 Please provide a 2009 update to Appendix 22-3, to include reference to the cited study reports and a brief summary of <br />the findings of said re <br />ports, as well as a brief summary of the status and results of the additional field trials described in <br />Appendix 22-3. <br />Response: <br />Appendix 22-3, Aspen Study Plan, contains the proposed studies to be conducted at the Seneca <br />operations. The results of these studies, as they are completed, are submitted as part of the Annual <br />Reclamation Report (ARR) submitted annually for the Seneca II-W Mine. There have been three (3) <br />reports completed and submitted: <br />• Transplanting Aspen on Reclaimed Coal-Mine Lands Using Drip Irrigation Qanuary 2006) <br />• Transplanting Aspen on Reclaimed Coal-Mine Lands Using Drip Irrigation (February 2007) <br />• The Use of Landscape Fabric and Supplemental Irrigation to Enhance Survival and Growth of <br />Woody Perennials Planted on Reclaimed Surface Mine Lands (February 2009) <br />Appendix 22-3 has been updated to provide a summary of the results of the above studies. <br />Seneca Coal Company . P.O. Box 670 • Hayden, Colorado 81639 <br />Telephone (970) 276-5219 • FAJ? (970) 276-5222