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Musick, Jason <br />From: James, Jay [JJames @peabodyenergy.com] <br />Sent: Monday, January 30, 2012 10:20 AM <br />To: Musick, Jason <br />Cc: Cowman, Scott; Karo, Roy <br />Subject: RE: Sage Creek Mine, SL1 and Seneca II Mine, SL -5 Sedimentology Demonstrations <br />Jason, <br />Seneca and PSCM respectfully declines the opportunity to provide additional sediment yield information based on <br />surrogate analyses and requests that the existing sediment pond and sediment information previously submitted be <br />used. <br />We will provide any available past annual sediment level data for PECOCO, 004 and 008 in table form. <br />Thank you. <br />From: Musick, Jason [ mailto :Jason.Musick ©state.co.usl <br />Sent: Monday, January 30, 2012 9:22 AM <br />To: James, Jay <br />Subject: Sage Creek Mine, SL1 and Seneca II Mine, SL -5 Sedimentology Demonstrations <br />Morning Jay, <br />As previously discussed, the Division is transitioning to include reclaimed landscape sediment yield information (USLE, <br />etc.) other that (or in addition to) pond outflow data for Phase II bond release sediment yield findings. I wanted to <br />formally offer Seneca Coal and Peabody Sage Creek the opportunity to provide additional information regarding the <br />landscape sediment yield information to meet the Phase II bond release criteria using surrogate analyses and <br />observations specific to the reclaimed landscape such as USLE based modeling. <br />If it is Seneca Coal and Peabody Sage Creek Mining's preference in this instance to decline, the Division will assist in <br />developing the recommended demonstrations based upon information provided by the operator and /or through <br />inspection observations. <br />Also, would you mind providing sediment level data for the ponds receiving runoff from the proposed bond release <br />areas (Sage Creek SL1, PECOCO and 004 Seneca II SL5, 008) <br />Please let me know if you have any questions. <br />Thanks, <br />Jason <br />Jason Musick <br />Environmental Protection Specialist <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />303- 866 -3567, Extension 8134 <br />303- 832 -8106 Fax <br />lason.musickPstate.co.us <br />1 <br />